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Zoom Dinosaurs
DINOSAUR QUESTIONS
Current Questions Top 16 Questions Old Questions Ask A Question
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By Date By Type of Dinosaur General Dino. Qns. Qns. About Other Animals Geological Era Qns.

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Questions from March 2000



Q: WERE THE EARLIEST DINOSAURS BIPEDAL OR QUARUPEDAL?
from SANDY .P, WILLMINGTON, DE, USA; March 31, 2000

A: Early dinosaurs, like Eoraptor and Herrerasaurus, were bipedal.



Q: What event marked the beginning of the jurassic period?
from Lynnea S. St. Peter, MN, USA; March 31, 2000

A: A minor mass extinction occured at the end of the Triassic period, imediately preceding the Jurassic period.



Q: what is the bodyshape of the gallimimus
from parth m., jersey city, new jersey, USA; March 31, 2000

A: For a drawing of Gallimimus, click here.



Q: do you have a picture of triceratops dinosuar
from ?; March 30, 2000

A: For info and a drawing of Triceratops, click here.



Q: what does the tyrannosaurus rex name mean
from cathy l., west palm beach, fl, USA; March 30, 2000

A: Tyrant lizard king. For more info on T. rex, click here.



Q: How do Dinosuars in the age of Pangea communicated with each other?...this is a very important question because half of my grade depends on the answer.
from Bebunlong M., Long Beach, CA, USA; March 30, 2000

A: No one knows how dinosaurs communicated with one another. Paleontologists think that some dinosaurs, like Parasaurolophus, cmay have ommunicated by making sounds.



Q: I wondered how asteroids were supposed to have been the cause of the exctinction of the dinosaurs.
from Steffan B, Plattsburgh ,NY, USA; March 30, 2000

A: A large asteroid may have hit the Earth, ejecting tons of dust and debris into the atmosphere. This dust blocked a lo of sunlight for year, killing many plants, starving many plant-eaters. In turn, many meat-eaters starved. For more information, click here.



Q: Who was an enemy to the diplodocus?
from preston M, Pomerene, AZ, USA; March 30, 2000

A: Diplodocus was so huge that it may not have had a healthyadult may not have had any predators, but if it did, Allosaurus would be a likely candidate. For more information on Diplodocus, click here.



Q: HOW DO SCIENTIST KNOW HOW YOU PUT THEM TOGETER?
from LEAH H., STERLING HEIGHTS, MI, USA; March 30, 2000

A: Putting the bones of a new type of extincti animal is quite difficult, and has often been done incorrectly. Scientists first learn a lot about the anatomy of living animals, and apply that knowledge to the fossil at hand. For more information, click here.



Q: How big is the Duck Billed Dinosaur?
from Nathan C., Highland, IN, USA; March 30, 2000

A: There were many duck-billed dinosaurs (also called hadrosaurs). Hadrosaurs ranged in size from 10 to 40 feet (3 to 12 m) long. Some duck-billed dinosaurs included Hadrosaurus, Maiasaura, Lambeosaurus and Parasaurolophus. For more information on Hadrosaurs, click here.



Q: Where can i find information on oceani animals/organisms from the Jurrasic time period(200 mya)?
from Rachelle B, Lawndale, CA, USA; March 30, 2000

A: Some ocean animals from the Jurassic period include many Ichthyosaurs (like Ichthyosaurus), Plesiosaurs (like Plesiosaurus, Muraenosaurus, and Cryptocleidus), ammonites, giant marine crocodiles, squid, and many fishes (including sharks and the first rays). For more information on the Jurassic period, click here.



Q: How do Dinosaurs get there names?
from Amy T. D., Houston, TX, USA; March 29, 2000

A: See the faq above.



Q: HOW FAST DID THE VILOCIRAPTOR RUN?
from KYLE T., EL PASO, TEXAS, USA; March 29, 2000

A: Velociraptor may have been able to run up to roughly 40 mph (60 km/hr) for short bursts. FOr more information on Velocirator, click here.



Q: What do the insides of a Tyrannosaurus Rex look like? I have a report on comparing the human body systems and another animal's body systems, and I can't seem to find anything.
from Candace M., Philadelphia, PA, USA; March 29, 2000

A: Almost nothing is known about T. rex's internal working; I would recommend picking a living animal.



Q: I need info on a dinosaur called " carcharodontasaurus ".
from Matt P., Bellville, Ontario, Canada; March 29, 2000

A: For information on Carcharodontosaurus, click here.



Q: What dinosaurs were found in Utah?
from Tracey P., Vernal, Utah, USA; March 29, 2000

A: Alamosaurus, Allosaurus, Amblydactylus, Apatosaurus, Barosaurus, Camarasaurus, Camptosaurus, Cedarosaurus, Coelophysis, Diplodocus, Dryosaurus, Dystrophaeus, Iguanodon, Iliosuchus, Marshosaurus, Nanosaurus, Ornitholestes, Ornithomimus, Othnielia, Parasaurolophus, Rioarribasaurus, Stegosaurus, Stokesosaurus, Tenontosaurus, Torosaurus, and Utahraptor



Q: About how long did the Deinonychus live?How fast did it go?What size was it? How did it reproduce?
from Lindsay T, Orlando, USA; March 29, 2000

A: For information on Deinonychus, click here.



Q: What is the name of the major extinction that preceded the Mesozoic Era
from Lauren.T, Lethbridge, Alberta, Canada, USA; March 29, 2000

A: It was the Permian extinction, the biggest extinction in the history of Earth.



Q: What did a Torosaurus look like? what did it eat? How much did it weigh?
from Dannielle S., Amelia, Ohio, USA; March 28, 2000

A: Torosaurus weghed about 8500 pounds (3900 kg). It was a plant-eater. For more information on Torosaurus, click here.



Q: wHEN AND WHERE WAS THE FIRST TYRANNOSAURUS-REX DISCOVERED?
from Lucy C., Glenwood Springs, CO, USA; March 28, 2000

A: Barnum Brown discovered the first T. rex in the Hell Creek Formation of Montana about 1905. For more information on T. rex fossils, click here.



Q: Did dinosaurs move in herds?
from Mollie M., Amherst, NH, USA; March 28, 2000

A: Bonebeds containing many fossils in close proximity of each other are fossil evidence that many type os dinosaurs travelled in herds. For example, Styracosaurus was a herding dinosaur. Foor more informatoin on herds of dinosaurs, click here.



Q: Can you tell me the name of the dinosaur whose teeth were discovered by Mary Ann Mantell in England?
from Juliun S., Exton, PA, USA; March 28, 2000

A: Mary Ann Mantell is suposed to have discovered tan Iguanoson tooth (but there is no documentation of this). Mary Ann Mantell was married to the famous paleontologist Gideon A. Mantell .



Q: How are dinosaurs distinquished from other reptiles? Are they in fact considered reptiles? Are dinosaurs related to other reptiles such as crocodiles or alligators?
from Kristin K., USA; March 28, 2000


Dinosaur legs: upright position

Other reptiles: Sprawling legs
A: The dinosaurs were reptiles, and are related to other reptiles, like crocodiles. They were reptiles that lived during the Mesozoic Era and had columnar legs (that did not sprawl ot to the sides like other reptiles).



Q: HI! I'M DOING A REPORT ON THE WOOLY MAMMOTH COULD U GIVE ME SOME INFO?
from Ingrid, Dodgevile, WI, USA; March 28, 2000

A: For information on the Woolly Mammoth, click here



Q: I am doing a report on the defenses mechanisms of dinosuars and i was wondering what information you had on the topic? I have a lot on types of armor defenses but practically nothing on non-armored defenses and I was wondering if you could help me. Thank you
from Joshua G., Carlinville, IL, USA; March 28, 2000

A: For a page on dinosaur defenses, click here.



Q: While walking along the creek bank behind our house in Erie, PA, we found some fossilized shells. They appear to be small clams and scallops about 3/4" across. They are encased in some type of sedimentary(silt/mud)rock . - How did they get so far from the ocean? - What are the fossils from? - How old are the fossils?
from Scott P., Erie, P., USA; March 28, 2000

A: When you find a cache of fossils shells, that lets you know that that area was once underwater. There have been many times in the history of the Earth when the temperatures were warmer they are now, and the polar ice melted. This raised sea levels all over the world, inundating some areas. For example, a lot of areas of what is now the USA were parts of a shallow sea during parts of the Mesozoic and other times. Also, the elevation of some area changes over time due to continental drift, uplift, and other geological processes.

The easiest way to date your fossils would be to get a book on fossils from the library or go to a fossil shop and ask an expert there. You need to determine what type of shell you have, and then you can look up when it lived. If you find a previously-unknown species, then you have to use more complicated methods to date the fossil.



Q: do u have any velicirator
from ?; March 28, 2000

A: For information on Velociraptor, click here.



Q: id like to no about longneck dinosuars please. thank you.
from stephnie p, huntington, wv, USA; March 27, 2000

A: For information on Apatosaurus, click here.



Q: Do you have any information on the dromeosaurus?
from ?; March 27, 2000

A: For information on Dromaeosaurus, click here.



Q: What does the name pteradactyl mean?How did it get it's name?
from Tricia R., ?; March 27, 2000

A: Pterodactyl means "wing finger." Pterodactylus was originally named Ptero-Dactyle (referring to its finger bones which supported the wings) by Cuvier in 1809 and was Latinized by Rafinesque in 1815. For more information on Pterodactyls, click here.



Q: During the Cretaceous period, where did the dinosaurs live, and what was their environment like?
from Diane e, huntington, West Virginia, USA; March 27, 2000

A: Dinosaurs lived all over the world during the Cretaceous period, on every continent and in a wide variety of environments.



Q: My first graders want to know how do we really know that the pictures we see of dinosaurs are really what they looked like since no other humans were alive during their lifespan. Pretty impressive question, I couldn't answer it!
from Jeanne L., Hobart, IL, USA; March 27, 2000

A: Most of the details you see in dinosaur pictures are educated guesses (or just plain guesses) made by the artist. For example, no one knows what color any of the dinosaurs were. Other details like lips, dewlaps (flaps of skin hanging from the neck), and keratinous horns are not known from the fossil record, so the artist must make decisions about what to include and what not to include. A lot of things are known, however, from the fossil record. The fossilized bones tell you how big the dinosaur was, what its proportions were, roughly how big the eyes were, and how it stood.



Q: are dinosaurs warm or cold blooded?
from coral c., seven valleys, pa, USA; March 27, 2000

A: No one knows for sure. For a page on this controversy, click here.



Q: what caused the mesozoic era to end (what important event happened during the mesozoic era).
from kaymie d, brownwood, texas, USA; March 27, 2000

A: The K-T mass extinction marked the end of the Mesozoic Era.



Q: what usefull products come from the rainforest?
from jm, pawtucket, RI, USA; March 27, 2000

A: Wood (like mahogony) is a major rainforest product. Also, many nuts, like cashew, and drugs like curare come from rainforests. For more information on rainforests, click here.



Q: What does protoceratops mean?
from Ryan, Oak Creek, USA; March 27, 2000

A: Protoceratops means "First Horned Face." For more information on Protoceratops, click here.



Q: What does Tyrannosaurus Rex mean?
from Ashley, Oak Creek, USA; March 27, 2000

A: Tyrannosaurus Rex means "Tyrant lizard king." For more information on T. rex, click here.



Q: how did giganotosaurus find food?
from janell c, albuquerque, nm, USA; March 26, 2000

A: This giant carnivore (meat-eater) probably hunted plant-eating dinosaurs. It may have also scavenged carrion. for more info on Giganotosaurus, click here.



Q: I would like to see pictures of as many dinosors as possible thank you
from Max A., wauconda, Ill, USA; March 26, 2000

A: For almost a hundred dinosaur drawings, click here.



Q: Could you give me information on the species Monolophosaurus?
from Peter H., Southwest Harbor, Maine, USA; March 26, 2000

A: For information on Monolophosaurus, click here.



Q: My science teacher gaves a worksheet full of questions that had to be answered by this site. One of the question was, "Elasmosaurus was the longest _________ dinosaur." I can't find the answer. Please help.
from Nicole D., Kansas, USA; March 26, 2000

A: There is no real answer to this, since Elasmosaurus wasn't a dinosaur, but a Plesiosaur, a marine reptile that lived during the time when dinosaurs lived. The longest plesiosaur was Liopleurodon, anyway, not Elasmosaurus. The answer they were probably looking for was "marine," but it's incorrect for the two reasons I just mentioned.



Q: how big were t-rex's feet?
from samantha b, butler, WI, USA; March 26, 2000

A: T. rex left footprints 1.55 feet (46 cm) long (although its feet were much longer, about 3.3 feet (1 m) long. T. rex, like other dinosaurs walked on its toes). For more information on T. rex, click here



Q: I need some info on the Wolly Mamouth. Can you help me?
from Kelly M., Wichita, KS, USA; March 26, 2000

A: For more information on Woolly mammoths, click here



Q: I'm doing a report about the Mussaurus. Can you tell me about it? Where did it live? What did it eat? What were its habits? How long did it live? When did it die out? Thank you very much.
from Allison K., Ann Arbor, Michigan, USA; March 26, 2000

A: For information on Mussaurus, click here. Its lfe span is unknown.



Q: Is there a dinosaur called Duckbill? If so show me a picture please.
from Michael A., Wilmington, NC, USA; March 25, 2000

LambeosaurusA: There were many duck-billed dinosaurs (also called hadrosaurs). Some duck-bills included Lambeosaurus (pictured at left), Parasaurolophus, and Corythosaurus. For more information on duck-billed dinosaurs, click here.



Q: how many fossils have been found in washington state? What were their names?
from Brittney C., Yakima, WA, USA; March 25, 2000

A: Unfortunately, no dinosaur fossils have been found in Washington state. Many other fossils have been found here, though, including many extinct plants and animals. The official state fossil is the Columbian Mammoth.



Q: What does the name Avimimus mean and where did it get it's name? Thank you!
from Brittney C., Yakima, WA, USA; March 25, 2000

A: Avimimus means "Bird mimic," becasue it had many bird-like qualities (like hollow bones). It was named by paleontologist Kurzanov in 1981. For information on Avimimus, click here



Q: do you know who the carnohtarus is if so plese put him in the list!!
from leah m., ny, USA; March 25, 2000

A: For information on Carnotaurus, click here



Q: How many Pteranodons does KU have? And how many dinosaurs (by name) have been found in Kansas?
from ?; March 24, 2000

A: Claosaurus, Hierosaurus, Nodosaurus, and sSilvisaurus have been found in Kansas. Other extinct reptiles found in Kansas include Alzadasaurus, Elasmosaurus, Ichthyornis, Pteranodon and some Mosasaurs (like Platecarpus, Tylosaurus, and Globidens). I don't know how many Pteranodons KU has.



Q: what were the enemies of the tyrannasaurus rex?
from ashley n., grand prairie, texas, USA; March 24, 2000

A: A healthy, adult Tyrannosaurus rex had no predators, but was susceptible to disease organisms, like viruses and bacteria. For more information on T. rex, click here.



Q: Why is a trilobite important?
from S Roecker, Hazelton, ND, USA; March 24, 2000

A: Trilobites were very common and diversified during the Cambrian Period, which is known as "The Age of Trilobites." They went extinct during the late Permian period (248 million years ago). Trilobites are now used as index fossils, helping to date less abundant fossils. For more information on Trilobites, click here.



Q: What is Mexicos NAtional antham
from Mary C., Sparta, NJ, USA; March 23, 2000

A: For a page on it, click here.



Q: Where did the triceratops eat? How did it get its food? When did it become extinct?How did they become extinct?
from teresa k, matawan, nj, USA; March 23, 2000

A: Triceratops was a plant-eater that went extinct 65 million years ago. It probably ate cycads, palms, and other low-lying plants with its tough beak. For more information on Triceratops, click here.



Q: what period did tenontosaurus live in?-I am doing a report in school and need to know.
from Brad, davenport, ia, USA; March 23, 2000

A: Tenontosaurus lived during the early Cretaceous period, 116-113 million years. For more information on Tenontosaurus, click here.



Q: How can runoff effect finding fossils?
from Lindsay Z, Bearsdly, MN, USA; March 23, 2000

A: Runoff causes erosion, which can exposed buried fossils.



Q: What were the first three dinosaur scientifically named?
from April W., Hoisington, Kansas, USA; March 23, 2000

A: Megalosaurus, Iguanodon, and Hylaeosaurus. For more information on the first known dinosaurs, click here.



Q: When was the first fossilized egg found?
from Bethanie B., Alina L., Houston, TX, USA; March 23, 2000

A: The first fossilized dinosaur eggs were found in France in 1869; they are also the biggest dinosaur eggs known. They belonged to Hylaeosaurus. For more information on dinosaur eggs, click here.



Q: Is it true dinosuars will come back.
from Elruby S., Molino, FL, USA; March 23, 2000

A: Not on their own.



Q: what did the habitate that dinosaurs lived in look like
from ?; March 23, 2000

A: It varied tremendously. Dinosaurs lived for over 150 million years, during which the climate of the Earth changed quite a bit, as did the geography (the continents drifted apart). Also, dinosaurs lived on each of the continents, which had different climates. Some dinosaurs lived inland, others lived along the coast; some lived in forests, others lived in desert-like habitats, etc.



Q: Hello, This is going to sound extremely wierd, but here goes. I am in desperate need of information pertaining to the weight of any type of dinosaur feces. If you could give me the type of inosaur and the weight of its feces I would appreciate it greatly. Thanks
from Chris L., Poughkeepsie, NY, USA; March 23, 2000

A: Fossilized feces are called coprolites, but their weight would not equal the weight of the original dinosaur dung, since the original molecules in the dung have been replaced by molecules of rocky minerals that are much heavier. For some information on a recently-found T. rex coprolite, click here.



Q: When the continents were considered a pangea, why then when they broke apart from each other, did they each go in seperate directions?
from Meredith D., Poway, CA, USA; March 22, 2000

A: For information on continental drift, click here.



Q: How did dinosaurs breathe?
from Amanda R., Millstone, NJ, USA; March 22, 2000

A: They breathed air through lungs.



Q: What does a Dilophosaurus's nest look like?
from ?; March 22, 2000

A: No Dilophosaurus nests have been found, so it isn't known if they did build nests. For more information on Dilophosaurus, click here.



Q: Do plant eating dinosaurs have teeth just like the meat eating dinosaurs?
from Meredith D., Poway, CA, USA; March 22, 2000

A: Plant-eating dinosaur had teeth, but they were blunt. For more information on dinosaur teeth, click here.



Q: I've noticed a lot of people writing in about needing infor for dinosaur school projects. My class "studied", and I use that term lightly, dinosaurs in the second grade. The potential for learning was not great, and out sources are very much outdated. I "learned" that the Stegosaur had two brains, and the Brachiosaur could not have walked on land. I only corrected myself in this through further independent research. I'm in grade eight now, and we have a very controlling curriculum in my province. It is becoming increasingly difficult to write every paper on something dinosaur-related. Got any tips on how I could sneak a few more dinos into my schoolwork?
from Brad M., Woodville, Ontario, Canada; March 22, 2000

A: That's an excellent question! I don't know anything about the school curriculum in Canada, but in the US, where I live, there is very little that can be done by an individual to influence the curriculum (even as a parent). I think that a lot of people have no idea how important the study of biology, paleontology, or science in general is. Studying dinosaurs makes science much more interesting to many people, and therefore is an important addition to any science curriculum. Since so little is known about dinosaurs, the students must do extensive problem solving in analyzing dinosaur information to come to any conclusions. Almost every aspect of biology is addressed in the study of dinosaurs, from metabolism and anatomy to classification (cladistics).

For practical suggestions, if you were studing physics, for example, you could ask the teacher how to analyze the whip-like motion of the tails of diplodocids, the forces exerted by head-butting Pachycephalosaurs, the nerve-transmisison time for the really long sauropods, etc. These would provide excellent and interesting classroom examples that demonstrate basic principles of physics.



Q: what do you call a person who studies dinosaurs?
from Tony P., Strawberry Point, Iowa, USA; March 22, 2000

A: They're called paleontologists. For information on some famous paleontologists, click here.



Q: What is the weight of a triceratops.
from mathew, west orange, New Jersey, USA; March 22, 2000

A: Triceratops weighed up to 6-12 tons. For more information on Triceratops, click here.



Q: Hi I.m doing a report on T-rex and I have to know what are the T-rex's prey and predators?
from keisha b., Seneca Falls, ny, USA; March 22, 2000

A: T. rex had no predators. Its pre included other large dinosaurs, like Triceratops. For more information on T. rex's diet, click here.



Q: I would like to know more information on Albertosaurus.
from Daniela V, Sydney, Fairfield, Australia; March 22, 2000

A: For more information on Albertosaurus, click here.



Q: What's some informathion on Corythosoarus.
from Bryan H, Edmonton, Alberta, Canada; March 22, 2000

A: For more information on Corythosaurus, click here.



Q: Whata were the first three dinosaurs scientifically named?
from Mark M., timken, Kansas, USA; March 22, 2000

A: Megalosaurus, Iguanodon, and Hylaeosaurus. For more information on early dinosaur finds, click here.



Q: how many years did dinosaurs live on the earth
from ?; March 22, 2000

A: The dinosaurs lived from about 230 million years ago until 65 million years ago, for a total of about 165 million years



Q: WHAT IS TRUE ABOUT ALL DINOSAURS?
from JOSH A., PEACHTREE, GA, USA; March 22, 2000

A: All dinosaurs were reptiles that lived during the Mesozoic Era and had columnar legs (that did not sprawl ot to the sides like other reptiles).



Q: I was just wonding if you could anwers a couple of questions for me.How many brains did the Ouranosaurus have,how long it's tail was,did it have 1brain or 2brians. How many eggs did it lay? Thanks
from Brittany C., Kokomo, IN, USA; March 22, 2000

A: Ouranosaurus had one brain. Its tail was roughly 7 feet long. No one knows how many eggs it laid; no nests have been found (if it even made nests). For information and a picture of Ouranosaurus, click here.



Q: How do fossils form?
from Johnny N., Houston, Tx, USA; March 22, 2000

A: For a page on fossil formation, click here.



Q: What was the average size of a dinosaur? Can you compare it to anything, like a dog or cat?
from Scott M., Palm Beach, FL, USA; March 22, 2000

A: To compute an average, you'd need population numbers, which do not exist. Dinosaurs ranged in size from the size of a chicken (liek Compsognathus) to bigger than a bus (the arge sauropods).



Q: what are the allosaurus' defenses?
from jr, ashland, or, USA; March 21, 2000

A: Allosaurus had huge jaws with sharp teeth, and claws on its hands and feet. For more information on Allosaurus, click here.



Q: How can you tell whether the dinosaur is a boy or girl?
from Delante M, Washington D.C., USA; March 21, 2000

A: No one knows how to do that with any certainty. For some of the dinosaur with head crests, paleontologists hypothesize that the animals with the larger head displays were male, but this is uncertain. For more information on this, click here.



Q: What information is there about Dinichths?
from Ian W, Thunder Bay, Can.; March 21, 2000

A: For info on Dinichthys, click here.



Q: I am doing an oral report on the compsognathus and I was wondering if you could tell me its defenses and enemies. I am having a hard time finding this info.
from Derek M.,West Warwick, Rhode Island, USA; March 21, 2000

A: Compsognathus defenses were its sharp teeth and clawed hands and feet. Its enemies aren't known for sure. To find possible enemies, see the page on dinosaurs from the late Jurassic period in Europe (when and where Compy lived) and find meat-eaters that would have been able to run fast enough to catch a Compsognathus. For more information on Compsognathus, click here.



Q: What is Pennsylvania's state song?
from Gina M., LA, CA, USA; March 21, 2000

A: It's called "Pennsylvania," written by Eddie Khoury and Ronnie Bonner.

"PENNSYLVANIA"

Pennsylvania, Pennsylvania,
Mighty is your name,
Steeped in glory and tradition,
Object of acclaim.
Where brave men fought the foe of freedom,
Tyranny decried,
'Til the bell of independence
filled the countryside.

Pennsylvania, Pennsylvania,
May your future be,
filled with honor everlasting
as your history.

Pennsylvania, Pennsylvania,
Blessed by God's own hand,
Birthplace of a mighty nation,
Keystone of the land.
Where first our country's flag unfolded,
Freedom to proclaim,
May the voices of tomorrow
glorify your name.

Pennsylvania, Pennsylvania,
May your future be,
filled with honor everlasting
as your history.





Q: What is the oldest dinosaur?
from Len S., Tofield, AB, Canada; March 21, 2000

A: The oldest-known dinosaurs so far are newly-discovered fossils from Madagascar. For more information of these Triassic period dinosaurs, click here. These new fossils are even older than Eoraptor.



Q: can you help meon Dinosaurs footprints
from Jeffrey S, Pueblo, Colorado, USA; March 21, 2000

A: For information on dinosaur trackways (fossilized footprints) and their lovomotion in general, click here.



Q: I would like to know about the Ankylosaurus reproduction-eggs, nesting, parenting thank you
from Anthony C., Sudbury, Ontario, Canada; March 21, 2000

A: Ankylosaurus reproduced by laying eggs. Nothing is known about its nests or parenting. For more information on Ankylosaurus, click here.



Q: What is a quadruped?
from ?; March 21, 2000

A: A quadruped (meaning "Four legs") is something that walks on four legs.



Q: Is there other species of t-rex if so what are thay?
from Jessie G, Willmar, MN, USA; March 21, 2000

A: There were many species in the genus Tyrannosaurus, including Tyrannosaurus rex, Tyrannosaurus bataar, Tyrannosaurus efremovi, Tyrannosaurus lancesis, and Tyrannosaurus movojilovi . For more information on them, click here.



Q: do you have any information on the avimimus dinosaur?
from Susanna H, Schuylerville, ny, USA; March 21, 2000

A: For information on Avimimus, click here.



Q: I've been assigned the dinosaur Questrosauros for a science project. I have not been able to find it anywhere. Do you know were I could possibly find it? Perhaps the name has been mispelled. Thanks
from Ariel M., Columbia, SC, USA; March 21, 2000

A: There's no dinosaur named Questrosauros, but there is one called Quaesitosaurus. For information on Quaesitosaurus, click here.



Q: Was the Plesiosuarus related or is related to the Seal?
from Stephany N, Pittsburgh, PA, USA; March 21, 2000

A: No, not at all. Plesiosaurus was a reptile; seals are mammals.



Q: What does the name "brontosaurus" mean?
from Shannon B., Palm Beach, FL, USA; March 21, 2000

A: Brontosaurus means "thunder lizard." The new name for Brontosaurus is Apatosaurus.



Q: Is a Archaeorapitor a fake or fraud,do you have any info on it??
from Angelica S., LA, CA, USA; March 21, 2000

A: Archaeoraptor is a fraud as it was represented, since it was two fossils glued together. For more information on Archaeoraptor, click here.



Q: For a school project: Do you know which dinosaur has the nickname "Roof Lizard"?
from logan, Anchorage, AK, USA; March 21, 2000

A: Stegosaurus.



Q: Could you please give me some web sites for research done on whether or not dinosaurs were warm- or cold-blooded? Thank you.
from Rachel H., LA, CA, USA; March 20, 2000

A: For .



Q: What is a mastodon?
from Billy W., Hazelton, North Dakota, USA; March 20, 2000

A: An extinct, elephant-like mammal. For
more information on mastodons, click here.



Q: I am doing a report on dinosaurs and I need to answer the question "How did the Compsognathus care for it's young?" I have looked at many sites and cannot locate this information. Do you have any help in this area? Thank you!
from Emily M., NY, USA; March 20, 2000

A: No one knows this because no Compsognathus nests have been found. For more information on Compsognathus, click here.



Q: Who do scientist believe is the smartest dinosaur? and why?
from Del R., anniston, alabama, USA; March 20, 2000

A: The Trodontids are thought to be th smartest dinosaurs because they had the largest brain to mass ratio.



Q: what are anfibians?
from ?; March 20, 2000

A: Amphibians are animals who begin their lives in the water, breathing with gills. When they become adults, they breathe with lungs. Frogs are amphibians. For more information on amphibians, click here.



Q: Was the Gallimimus a warm or cold blooded dinosaur? And what was its life expectancy?
from Cassie B, Kokomo, Indiana, USA; March 20, 2000

A: No one knows whether Gallimimus was warm or cold blooded, or what it's life span was. For more information on dinosaur metabolisms, click here. For more information on dinosaur life spans, click here.



Q: Which dinosaur could run the fastest?
from Grade 2, Tilley, Alberta, Canada; March 20, 2000

A: The speediest dinosaurs were ornithomimid, bird-like bipedal carnivores (theropods) with long, slim hind-limbs and light bodies (hollow bones and a streamlined body). One of the fastest ornithomimids may have been Gallimimus



Q: what kind of food does the Tyrannosaurus Rex eat and how often?
from ?; March 20, 2000

A: T. rex ate large animals, like Triceratops. No one knows how often it ate. For more information on T. rex's diet, click here.



Q: whatdo we call scientists who study dinosaurs?
from K.O, fussa, Japan; March 19, 2000

A: Paleontologists.



Q: About how big was the biggest Brachiosaurus skeleton?
from Charlie, L.E.H, NJ, USA; March 19, 2000

A: For information on Brachiosaurus, click here. Also, the dinosaur Ultrasauros may have been a big Brachiosaurus; for information on Ultrasauros, click here.



Q: name all the names of dinosaurs you know? how do dinosours smell?
from daniel c., indianpolis, IN, USA; March 18, 2000

A: For a list of all known dinosaur genera, click here. They smelled odors through nostrils.



Q: Apart from size, What is the difference between the Euoplocephalus and the Saichaia? I own a replica of each, and I don't really see anything that would make thme seperate genera.
from Brad M., Woodville, Ontario, Canada, USA; March 18, 2000

A: Externally, they were pretty similar (ankylosaurids with a mace-like tail), but Saichania was bigger (about 7 m vs. Euoplocephalus' 5 m length). Euoplocephalus had larger armor plates and bigger spikes on them. Internally, Saichania had unusual nasal structure (unlike Euoplocephalus, but like Pinacosaurus); its nasal cavities were divided by a thin bone into two cavities, which may have meant that it had a very good sense of smell.



Q: What do all dinosaurs have in common? is it their extinction?
from Rob M., Peachtree City, GA, USA; March 18, 2000


Dinosaur legs: upright position

Other reptiles: Sprawling legs
A: No, the extinction is how they're defined; many other groups of animals died during the K-T extinction. Dinosaurs were land-dwelling reptiles that had columnar legs that extended straight below the body (unlike most reptiles, which have legs that sprawl out to the sides).



Q: How did dinosaur defend itself? Did dinosaur have babies? How?
from Mirka Q., Bronx, NY, USA; March 19, 2000

A: Different dinosaurs had different defenses. The various defenses included huge teeth, claws on feet, bony body armor, horns, spikes, long, whip-like tails, tails with bony masses opn the ends, etc. For a page on dinosaur defenses, click here. For a printout of dinosuar defenses, click here.

Dinosaurs reroduced by laying eggs. For more information, click here.



Q: Other than Triceratops, what are some other dinosaurs that lived at the same time as T. rex?
from ?, Kentville, SC, USA; March 18, 2000

A: For a page of late Cretaceous dinosaurs, click here.



Q: HOW LONG AGO WERE THE WOOLY MAMOUTHS ON EARTH.
from james b., seattle, wa, USA; March 18, 2000

A: Woolly mammoths lived from the Pleistocene (over a million years ago) to the early Holocene epoch (roughly 10,000 years ago), For more information on Woolly mammoths, click here.



Q: Where is the best place to sell a fossil over the internet?It is a Trilibites.
from chris f, del rio, TX, USA; March 18, 2000

A: You might try one of the online auction sites, like eBay or Yahoo's auction ste.



Q: Who discovered Plateosaurus and when
from John L., silverton, idaho, USA; March 18, 2000

A: Plateosaurus was was first described by the German paleontologist Hermann von Meyer in 1837. For more information on Plateosaurus, click here



Q: What color were tyrannosaurus rex's eggs?
from Jake L., Burlington, CT, USA; March 18, 2000

A: No one knows. By the way, no T. rex eggs have ever been found.



Q: How long was the average Tyrannosaurus rex?
from regina, Sacramento, CA, USA; March 17, 2000

A: For information on T.rex, click here.



Q: Where did the allosaurus live ?
from Desiree J, Janesville, WI, USA; March 17, 2000

A: Over 60 Allosaurus fossils have been found, mostly in the Morrisson Formation in Colorado, USA, but also in other locations in western North America and one possible find in Australia. For more information on Allosaurus, click here.



Q: what can you find on cenozin era
from marcella d, pleasantville, nj, USA; March 17, 2000

A: The Cenozoic Era lasted from 65 million years ago until now. It is also called "The Age of Mammals," since during it, the mammals spread and diversified all over the Earth. Also, flowering plants came to dominate the flora. For a chart of Geologic time to see what developed and when, click here.



Q: What do we call scientists who study dinosaur
from KAREN O, Japan; March 17, 2000

A: Paleontologists are scientists whostuyd fossils. An old-fashioned word, dinosaurologist, is sometimes used for someone who just studies dinosaurs.



Q: We are studying about eggs in our first grade class. I would like to know if an ostrich egg or a dinosaur egg is bigger. Thank you.
from Jamie D., Yokohama, Japan; March 17, 2000

A: Ostrich eggs are about 4.5 x 7 inches (11 x 18 cm). Some dinosaurs (like Mussaurus) laid eggs that were only about an inch (2.5 cm) across, but others (like the huge sauropods) laid eggs about 1 foot (30 cm) across - much bigger than an ostrich egg. For more informatoin on dinosaur eggs, click here.



Q: How tall was the plesiosaurus?
from Polly S, Quincy, IL, USA; March 17, 2000

A: Plesiosaurus was about 7.6 feet (2.3 m) long. For more information on Plesiosaurus, click here.



Q: When dinosaur poop is found, is it given a scientific name, like a foot print? If you know any names of dinosaur poop genera or species, please tell me.
from Brad M., Woodville, Ontario, Canada; March 17, 2000

A: A piece of fossilized dinosaur poop is called a coprolite. Dinosaur genera are not named from poop, however. For information on a recenty-found T. rex coprolite, click here.



Q: Where can we see fossils of Placerias and to wich category of reptiles is this animal classified?
from Walter S., Aalst, Belgium; March 17, 2000

A: Placerias was a dicynodont, an ancestor of the mammals. For information on Placerias, click here.



Q: How big is a dinosaur?
from Christian, Farmington, Connecticut, USA; March 17, 2000

A: They ranged in size from about the size of chicken (like Compsognathus) to over 100 feet long (liek Argentinosaurus).



Q: where are t-rex bones found,where did it live,what animal it's similar to,why it became extinct,and other organisms living at the time?
from debbie c, rockville, md, USA; March 17, 2000

A: T. rex fossils have been found in USA (in Montana, Texas, Utah, and Wyoming), Canada (Alberta and Saskatchewan), and east Asia (Mongolia). For more information on T. rex fossils, click here. It's most similar to other tyranosaurid dinosaurs, like Albertosaurus. For other animals that lived during the late Cretaceous, click here.



Q: what is the biggest rapter and how did it hunt?
from Jessie G, willmar, MN, USA; March 17, 2000

A: Utahraptor is the biggest-known raptor (dromaeosaurid). Itprobably hunted by using its huge, sickle-shaped toe-claws to disembowel its prey. For more information on Utahraptor, click here.



Q: How are dinosaurs different from reptiles?
from Jackie P., Davenport, Iowa, USA; March 17, 2000

A: They aren't; dinosaurs were reptiles.



Q: How tall was Stegosaurus?
from Kirstan, Davenport, Iowa, USA; March 17, 2000

A: Stegosaurus measured up to 26-30 feet long (8-9 m), about 9 feet tall (2.75 m), and weighed about 6,800 pounds (3100 kg). For more info on Stegosaurus, click here.



Q: How many Dinosaurs have you found?
from Emily F., Davenport, Iowa, USA; March 17, 2000

A: None.



Q: Height and weight of the Technosaurus dinosaur
from ?; March 16, 2000

A: Technosaurus was about 4 ft (1.2 m) long andweighed about 25 pounds (11 kg).For more information on Technosaurus, click here.



Q: how big is the brontasaurus?
from Nicky S., blairsville, PA. USA; March 16, 2000

A: The new name for Brontosaurus is Apatosaurus. It measured about 70-95 feet long (21-29 m) and about 15 feet (4.6 m) tall at the hips. For more information on Apatosaurus, click here.



Q: How long is a Tyanosaurus rex?
from ?; March 16, 2000

A: Tyrannosaurus rex was up to 40 feet (12.4 m) long, about 15 to 20 feet (4.6 to 6 m) tall. It was roughly 5 to 7 tons in weight. For more information on T. rex, click here.



Q: EORAPTORs height
from K.T.O, Toko, Japan, USA; March 16, 2000

EoraptorA: Eoraptor was about 3 feet long (1 m). For more information on Eoraptor, click here.



Q: What is a Triseratops Height and length.
from A M, Tokyo, Japan; March 16, 2000

A: Triceratops was about 30 feet long (9 m), 10 feet tall (3 m), and weighed up to 6-12 tons.. For more information on Triceratops, click here.



Q: Is there really a Dinosaur that is bigger than the Bronaser
from Sarah. C., IL, USA; March 16, 2000

A: Many dinosaurs were larger than Brontosaurus (now called Apatosaurus). Some larger dinosaurs include Argentinosaurus, Supersaurus, Seismosaurus, Sauroposeidon, Brachiosaurus, Ultrasauros, etc.



Q: What is the tallest dinosaur
from Angela B., In, In, USA; March 16, 2000

A: The recently-found Sauroposeidon may be even taller than its relatives, Brachiosaurus and Ultrasauros.



Q: what is the largest mammal?
from terry l., bergenfield, USA; March 16, 2000

A: The blue whale.



Q: Where can I find a picture of a Pleisiosaurus?
from NAME, South Dakota, USA; March 16, 2000

A: For a drawing of Plesiosaurus, click here.



Q: what animal is bigger any dinosaur?
from ?; March 16, 2000

A: The blue whale.



Q: how old did dinosaurs live to
from rashid m, carlstadt, nj, USA; March 16, 2000

A: For information on dinosaurs' life spans, click here.



Q: did dino have ears.
from ?; March 16, 2000

A: They had internal ears and could hear, but did not have external ears like we do.



Q: how long did dinosaurs live? How does a mastadon different from a mammoth?
from felicitas m, Dade City, FL, USA; March 16, 2000

A: The dinosaurs lived from about 230 million years ago until 65 million years ago, for a total of about 165 million years. Mastodons were large, elephant-like, extinct, mammals that appeared during the Oligocene epoch (long before the mammoths) and lasted later. Mammoths had longer tusks, a wider head, a sloping back, flat, chewing teeth, a trunk with two finger-like projections, and were mostly taller.



Q: What is an example of a sauropods?
from S. N.; March 15, 2000

A: Some commonly-known sauropods are Apatosaurus (Brontosaurus) and Brachiosaurus. For a page on sauropods, click here.



Q: IS THERE A DINOSAUR NAMED ARCHELON IF SO WHERE CAN I FIND OUT ABOUT IT?
from ERIN W., HENRIETTA, NC, USA; March 15, 2000

A: Archelon was a giant sea turtle. For info on Archelon, click here.



Q: Where can I find the information about minmi
from ?; March 15, 2000

A: For info on Minmi, click here.



Q: WHATS THE FASTEST DNOSAUR IN THE WORLD
from JEFF JH, CHARLOTTE, NORTH CAROLINA, USA; March 15, 2000

GallimimusA: The speediest dinosaurs were ornithomimid, bird-like bipedal carnivores (theropods) with long, slim hind-limbs and light bodies (hollow bones and a streamlined body). One of the fastest ornithomimids may have been Gallimimus.



Q: Is a stegosaur smart?
from Allyson, Nutley, NJ, USA; March 15, 2000

A: Compared to many other dinosaurs, Stegosaurids were not smart.

EQ




Q: I need some pictures on the thescelosaurus
from daniel s., belvidere, IL, USA; March 15, 2000

A: For info and a drawing of Thescelosaurus, click here.



Q: What is an epoch ?
from ?; March 14, 2000

A: An epoch is the unit of geologic time. An epoch lasts several million years.



Q: I'm doing a report on dinosuars. Can you help me decide which one I should do and do you have information on that dinosuar? Thanks
from Becky M., San Francisco, CA, USA; March 14, 2000

A: For a list of dinosaur information pages, click here. You could use this page to help you choose a dinosaur.



Q: what did the t-rex eat
from johhny l., chicago, illinois, USA; March 14, 2000

A: T. rex ate large animals, like Triceratops; this is known because crushed Triceraops bone was found in fossilized T. rex poop. For more information on T. rex's diet, click here.



Q: what's Colorado's state dinosaur?
from joe d., danvers, MA, USA; March 14, 2000

A: Stegosaurus. For a list of state dinosaurs and the dinosaurs fossils found in each state, click here (the state dinosaurs or fossils are in boldface type).



Q: Who discovered the first carnivorous tooth? What year was it discovered?& What is the name of the modern animal that has similar teeth? Thank YA!!!!!!
from Mariah, Staton Island, NY, USA; March 14, 2000

A: The first documented carnivorous dinosaur tooth was Megalosaurus, found by William Buckland in 1824.

The second dinosaur found was Iguanodon, a plant-eating dinosaur whose teeth were similar to that of a modern-day iguana.

For more information on these early dinosaur finds, click here.



Q: How many kinds of dinosaurs lived in the early Jurrasic period?
from Sharayah B., Oak Island, North Carolina, USA; March 14, 2000

A: For a list of early Jurassic dinosaurs, click here.



Q: what started the mesozic era?
from Nicole D., Chicago, IL, USA; March 14, 2000

A: The Permian extinction (the biggest mass extinction in the history of the Earth) was the event that immediately preceded the Mesozoic Era.



Q: Why were the dinosaurs so big.
from Sean F., Davenport, Iowa, USA; March 14, 2000

A: No one knows why some of the dinosaurs (and some other repiles) were so huge during the Mesozoic Era. This is one of the most interesting unanswered questions in paleontology.



Q: Did all dinosaurs have tails.
from Sean F., Davenport, Iowa, USA; March 14, 2000

A: Yes, but they varied in legth. The longest tails belonged to the diplodocid sauropods (like Apatosaurus)



Q: What are some interesting facts about Pterodactyls?
from ?, USA; March 13, 2000

A: For information on Pterodactyls, click here.



Q: how big is T-rex teeth ?
from Elizabeth W., Davenport, Iowa, USA; March 14, 2000

A: See the FAQ above.



Q: what animals ate the t-rex?
from jose a., hayward, ca, USA; March 14, 2000

A: T. rex was the biggest predator of its time. There were no predators that could successfully kill a healthy, adult T. rex except perhaps another T. rex.



Q: HAVE ANY KIDS EVER REPORTED FINDING ANY DINOSAUR BONES?
from Slick, Jasper, Alabama, USA; March 13, 2000

A: Yes, many children have made important fosil finds. For example, Mary Anning was a fossil hunter who began finding fossils as a child. She found the first fossilized plesiosaur and ichthyosaurus. Zuniceratops christopheri was found in 1997 by Christopher Wolfe, who was about 8 years old at the time



Q: how heavy is the t-rex
from Robert, utica, ohio, USA; March 13, 2000

A: T. rex weighed roughly 5-7 tons. For more information on T. rex, click here.



Q: Where can I find facts about the Oviraptor?
from Stephanie K., Colorado Springs, CO, USA; March 13, 2000

A: For information on Oviraptor, click here.



Q: Where can I find information about pterodactyls?
from Cory m, homewood, Illinois, USA; March 13, 2000

A: For information on Pterodactyls, click here.



Q: How fast can a dinosaur run?
from Michael A., Wilmington, NC, USA; March 13, 2000

A: It varid depending on the genus. For a page on dinosaur locomotion.



Q: What type of hip bone does a Megalosaurus have and are they plant or meat eater?
from Ali H., Houston, Texas, USA; March 13, 2000

A: Megalosaurus was a saurischian (lizard-hipped) dinosaur. It was a meat-eater. For Megalosaurus, click here.



Q: How tall could the seismosaurus get? What were its defenses? Did it live in herds of what number? what did it eat?
from Samantha B., Sunrise, FL, USA; March 13, 2000

A: Seismosaurus was a plant-eater that probably lived in herds, but no one knows how many individuals were in a herd. Its best defense was its size. Also, one toe on each foot had a thumb claw, probably for protection.. For information on Seismosaurus, click here.



Q: Where can I find good stuff about Parasaurolophus?
from Rachel, Clinton, Iowa, USA; March 13, 2000

A: For information on Parasaurolophus, click here.



Q: I would like to get some information on the Sauroposeidon for a class project.
from Peter D., Granby, CT, USA; March 13, 2000

A: For information on Sauroposeidon, click here.



Q: why did the sabertoothed tiger become extinct?
from jesse m., corpus christi, tx, USA; March 13, 2000

A: The saber-toothed cats (like Smilodon and Xenosmilus) went extinct towards the end of the last Ice Age (roughly 11,000 years ago). The pressures of a major climate change and perhaps hunting by humans led to their extinction. For more information on smilodon, click here.



Q: Are dinosaurs mammals, birds, or reptiles?
from Ashley M., Columbus, Ohio, USA; March 13, 2000

A: Dinosaurs are reptiles.



Q: how many teeth did t-rex have?
from E.S, utica, ohio, USA; March 13, 2000

A: T. rex had 50 to 60 teeth. For more information on T. rex, click here.



Q: Did any dinosaurs have feathers?
from ?; March 13, 2000

A: Yes, some (like Sinornithosaurus) had rudimentary feathers.



Q: During what period and when did dinosaurs first appear according to fossil record?
from Jackie F., St. Louis, MO, USA; March 13, 2000

A: The earliest-known dinosaurs date from the middle Triassic period, roughly 230 million years ago.



Q: I was wondering how dinosaurs came on Earth?
from Sarah P., Raleigh, NC, CITYSTATE, USA; March 13, 2000

A: They evolved from earlier reptiles. For more information on the evolution of the dinosaurs, click here.



Q: At Disney's Animal Kingdom and in the upcoming movie Dinosaurs, they feature a huge beast called the Carnataurus. Is this a real dinosaur or is it just made up by the imagineers at Disney?
from gary k, allen, tx, USA; March 12, 2000

A: Carnotaurus is a real dinosaur. For information on Carnotaurus, click here.



Q: what are some of the adaptions of the tyrannosaurus?
from james c., cloudcroft, nm, USA; March 12, 2000

A: T. rex's obvious external adaptations were its huge size, its huge teeth and claws, large, powerful jaws, large, muscular legs, and its relatively large brain (for a dinosaur). For more information on T. rex, click here.



Q: what color was a smilodon? what were it's behavior's? what were it's defenses? where was it in the food chain?
from belinda j., dana, ky, USA; March 12, 2000

A: Every reconstruction of Smilodon that I've seen gives Smilodon a tawny brown coat (similar to that of a modern-day lion). Not that much is known about Smilodon's daily behavior, other than it was a fierce predator that probably ambushed its prey since its short legs limited its running speed. Its hunting strategy may have been to mortally wound its prey with its saber-like teeth, probably in the belly, and let the victim bleed to death. Smilodon, like most meat-eaters, may also have been a scavenger.

Smilodon was at the top of its local food chain. For more information on smilodon, click here.



Q: How do I find out about Australian dinosaurs for a project?
from Louise, Sydney, NSW, Australia; March 11, 2000

A: For a list of Australian dinosuars with links to more information, click here.



Q: Was t-rex really a Scavenger?
from Dee W., Buena Vista, VA, USA; March 11, 2000

A: No one knows; there is some debate about this. For more information on T. rex's eating habits and the debate on whether or not it was a scavenger, click here.



Q: Where, on your site or at all, can I find stuff about the Saber Tooth Cat?
from Jena S., Riverside, California, USA; March 11, 2000

A: For information on saber-toothed cats, click here. For a saber-toothed cat printout, click here.



Q: On a recent school trip to the Calgary Zoo we were advised that there was a dinosaur the size of a mouse. Can you give me any more details. The guide called it a "mouseasaurus" but I can find no documentation or any information. The children would like to see a picture. Thanks
from Jen E, Calgary, Alberta, Canada; March 11, 2000

PlateosaurusA: There's a tiny dinosaur called Mussaurus (which means "mouse lizard"). Only infants and eggs of this genus have been found. The eggs are about 1 inch (2.5 cm) long and the babies were about 9-16 inches (18-37 cm) long. No one knows exactly how big an adult Mussaurus would have been; it may have been up to 10 feet long (3 m) as an adult. This plant-eating plateosaurid dinosaur lived about 215 million years ago, during the Triassic period, in what is now Argentina.



Q: DID THE PLANTEATERS KILL OR REALY HURT ANY MEATEATERS?
from MARCUS JS., CROWN POINT, INDIANA, USA; March 10, 2000

A: Probably, especially since many plant-eating dinosaurs were armed with large horns, spikes, tails with weights at the ends, etc. For example, a Protoceratops was found together with a Velociraptor; they probably died fighting.



Q: Is Archaeopteryx a carnivor a herbavor or an omnivor?
from Jimmy P., conestoga, pa, USA; March 10, 2000

A: Archaeopteryx was a carnivore (a meat-eater). For more information on Archaeopteryx, click here.



Q: my search is for this particular animal (parasaurolphus) I'm not sure about the spelling. Its for a project. thank you
from Daniel S., alburquerque, New Mexico, USA; March 10, 2000

A: For information on Parasaurolophus, click here.



Q: Is the Jurrassic an era or epoch?
from RS, Lake Stevens, WA, USA; March 10, 2000

A: The Jurassic was a period.



Q: pleez tell me everything you know about the iguanodon and fast i have to get off soon!
from Brittney C., New Bedfors, MA, USA; March 10, 2000

A: For information on Iguanodon, click here.



Q: Can you share info. on the lexovisaurus? Anything would be appreciated.
from Kelly P., hope mills. nc, USA; March 10, 2000

A: For information on Lexovisaurus, a stegosaurid dinosaur, click here.



Q: Did dinosaurs' legs sprawl out to the side {like Lizards} or extend straigt down under the body?
from ?; March 10, 2000

A: They extended straight down under the body.



Q: Hi I would like to know how dinosaurus became instaint, but birds didn't. They were living at the time too. Weren't they? Thank You!
from Katie W, Mentor, OH, USA; March 10, 2000

A: During mass extinction, some animal groupd go extinct and others survive. In the K-T extinction, the dinosaurs, pterosaurs, plesiosaurs, mosasaurs, ammonites, and many other groups of animals went extinct, including some birds. Many more animals survived this extinction, including many bird species, many mammals, etc.



Q: is there a good website that has a list of dinosaurs and about 10 of their facts?
from breanna g, Melbourne, FL, USA; March 9, 2000

A: Yes, this site, Zoom DInosaurs. For a list of dinosaur information sheets, click here. For a list of dinosaur printouts, click here.



Q: I like to know everything about archehopteryx
from Cecilia M, Nasaker, Angermanland, Sweden; March 9, 2000

A: For information on Archaeopteryx, click here.



Q: which dinosauaur had the most teeth.
from ?; March 9, 2000

A: Hadrosaurs had the most teeth.



Q: which dinosaur had the most babys.
from ?; March 9, 2000

A: No one knows.



Q: Was T-rex a dinosaur that abandond its young at berth?
from Jesse H., Tucson, AZ, USA; March 8, 2000

A: No one knows. No fossilized T. rex nests have been found. For information on T. rex, click here.



Q: why wasn't the Brontasaurus a dinosaur?
from Amber V., Modesto, CA, USA; March 7, 2000

A: Brontosaurus was a dinosaurs; it was simply given another name when it was found that it was the same as Apatosaurus (and Apatosaurus was named first, so that is the official name). For more information on Apatosaurus/Brontosaurus, click here.



Q: Where is Tyrannosaurs from
from Marissa J, Pacifica, CA, USA; March 7, 2000

A: Click here for locations of T. rex fossil finds.



Q: where can i find info on the internet about the mesozic?
from ?; March 7, 2000

A: Click here.



Q: how old are you?
from ?; March 7, 2000

A: Probably old enough to be your mother.



Q: What dinosaur lived during what geologic era?
from ?; March 7, 2000

A: Go to the section on the Mesozoic Era, and click on the sections labeled Late Triassic, Early Jurassic, Middle Jurassic, etc.



Q: how long were dinsaurs aive
from mary, phoenix, AZ, USA; March 7, 2000

A: The evolved about 230 million years ago and died out 65 million years ago ( for a total of about 165 million years).



Q: what is the mezozoic period all about? i dont understand it.
from Joe B., watertown, MA, USA; March 7, 2000

A: The Mesozoic Era is just a period of time; the dinosaurs lived during the Mesozoic. It began about 242 million years ago, right after the huge Permian mass extinction. It lasted until 65 million years ago, the K-T mass extinction. For more information on the Mesozoic Era, click here.



Q: Question
from Abby H., Leoma, Tennessee, USA; March 7, 2000

A: The oldest-known dinosaurs so far are newly-discovered fossils from Madagascar. For more information of these Triassic period dinosaurs, click here. These new fossils are even older than Eoraptor.



Q: can you show me a picture of the mammoth the alticamelus will you ?
from lindsay z, dunmore, pa, USA; March 7, 2000

A: For a drawing of a Mammoth. click here. For a drawing of an Alticamelus, click here.



Q: How big is a brontasuarus foot print?
from Heather R, Mission, BC, Canada; March 7, 2000

A: It's hard to match a footprint to a articular dinosaur; footprints and fossilized bones are usually found in different place, but the large plant-eating dinosaurs certainly left large footprints. The tracks of the large sauropods (like Brontosaurus, now called Apatosaurus) are about the size of a bathtub.



Q: How fast could a Rapter run?
from abigail j, Randolph, NJ, USA; March 7, 2000

A: The raptors (dromaeosaurids) varied greatly in size and therefore, probably varied greatly in their speed. For a page on dinosaur locomotion, click here.



Q: Hi i need some answers from you!!! How many Dinosaurs exsisted ever in the whole wide world? I am just wondering? I also need to now some other answers? How many eggs did the biggest dinosaur have?
from Mega-a-Lynn, Fountain, CO, USA; March 7, 2000

A: No one knows how many dinosaurs existed (with population numbers or species numbers). For a list of all the known dinosaur genera, click here. For information on dinosaur eggs, click here.



Q: How did plant-eating dinosaurs in the Jurassic period compensate for their lack of gringing teeth?
from Shakira, St. Louis, MO, USA; March 7, 2000

A: Since they couldn't chew their food like we can, they swallowed it whole. Many of these dinosaurs had gizzard stones (pebbles that they swallow) that help to grind up tough plant material.



Q: Hi my 4th grade class is learning all about dinosaurus and we have this big project that is due Thursday. And we have to find out if the Albertosaurus and the Tyrannosaurus and related. I really need to know. I looked in alot of places and I couldn't find it. I would really really thank you alot if you know the answer and gave it to me. Thank You so much for your time and listing to my question.
from Katie W., Mentir, Ohio, USA; March 7, 2000

A: Albertosaurus and Tyrannosaurus rex were closely related. They were both tyrannosaurs, meat-eating dinosaurs.



Q: My science book said all fossils disintigrate and minerals replace them latter is that true?
from Janin H. Issaquah, WA, USA; March 6, 2000

A: The original tissue (including bone) disintegrates, and are replaced by minerals. For more information on how fossils, form, click here.



Q: Are the Triceratops and the Prtoceratops realted? I really want to know. Thanks!
from Katie W., Mentir, Ohio, USA; March 6, 2000

A: Yes, Triceratops and Protoceratops are closely related. They were both ceratopsians, quadrupedal plant-eating dinosaurs with bony neck frills.



Q: Why did the Stegosaurs have plates on his back?
from Bart G., Junction city, OR, USA; March 6, 2000

A: It is thought that Stegosaurus's plates were used to regulate the animal's body temperature. For more information on Stegosaurus, click here.



Q: how long did the t. rex live? (life-span)
from dijay, irvington, nj, USA; March 6, 2000

A: No one knows exactly, but large animals like T. rex have relatively long life spans.



Q: How big are the tyrannosaurus rex's feet?
from Diana F, Hackettstown, NJ, USA; March 6, 2000

A: Tyrannosaurus rex was up to 40 feet (12.4 m) long, about 15 to 20 feet (4.6 to 6 m) tall. It was roughly 5 to 7 tons in weight. For information on T. rex, click here.



Q: If dinosaurs became extinct by an astoroid or cmet from the dust how did the crocodillians live and didn't die out?
from samantha s., USA; March 5, 2000

A: During the K-T mass extinction (probably caused by a large asteroid or comet hitting Earth), many species of plants and animals went extinction, not just the dinosaurs. During that extinction, however, many more species of animals an dplants survived. Organisms that could adapt to the changed envronment survived; organisms that couldn't adapt, died out.



Q: what dinosaur ate, hunted t-rex?
from court m, lv, nv, USA; March 5, 2000

A: None.



Q: Hi. :) I'm doing a report on the evolution of the Utahraptor. I have a lot of information ON the Utahraptor, but almost nothing on the evolution. I was wondering if you could help me. Thanks.
from Irina P., MI, USA; March 4, 2000

A: The easiest way to see evolutionary relationships between organisms is to look at a cladogram (a diagram that represents the likely evolutionary relationship between organisms). For a cladogram that includes Utahraptor, see Mike Keeseys site cladogram. For more information on Utahraptor, click here.



Q: Tell me something not commonly know about Deinonychus.
from Susan B., kalamozoo, MI, USA; March 4, 2000

A: For information on Deinonychus, click here.



Q: Question
from Rhonda W., Vidalia, GA, USA; March 4, 2000

A: For information on Bactrosaurus, click here.



Q: I'm looking for a model of a micropachycephalosaurus (do you know where I can buy one?), and for pictures of its habitat in the late cretaceous period. This is for a report I'm doing for my second grade class. The report includes a diorama, and it has to be finished by Friday March 10th, so sooner is better if possible. Thanks.
from Daniel B., Oak Park, Illinois, USA; March 4, 2000

A: Very little is known about Micropachycephalosaurus, since only an incomplete fossil was found (in China). I don't known of any Micropachycephalosaurus models for sale. For the background in your late Cretaceous period diorama, you can draw or model plants like horsetails, conifers, and early flowering plants (like magnolias). The late Cretaceous was also a time when the Earth was volcanically active.



Q: Why do fossils of Dinosaurs and other creatures get covered up with rocks, is it because the bones have sunk into the ground, or is it because the Earth is getting larger?
from Peter D, Chesterfield, Derbyshire, England; March 4, 2000

A: Neither. The Earth is staying the same size, but dirt moves around a lot. Some things become covered over time; other things become exposed.



Q: Is an Ankylosaurus nocturnal or diurnal??
from Dori S., Humble, TX, USA; March 4, 2000

A: No one knows. For more information on Ankylosaurus, click here.



Q: Why did u not answer my Question from yesterday.....>? I dont think that i can ask you any more questions because i can not count on you guys....... Im sorry that i had to be rood!!!!!!!!!!!! That is rood that u counld not answer my question........ I will ask on more today and if u don not give me the answer i will never eeeever ask u a quetsion again!!!!!!!!! I hope that i can count on u>?!!!!! I will be expecting an answer from the qeustion i aske you guys today...... Ok i hope that u have a nice day...... PeaceOut????? Thank you alot..........................................................................................................................Buh Bye
from Megan S, Fountain, CO, USA; March 3, 2000

A: I answered your question yesteday, but I also answered a lot of other people's questions. You have to scroll down the page and read.



Q: What time frame did the Ankylosaurus live in?
from Michael Z., Fountain, CO, USA; March 3, 2000

A: Ankylosaurus lived during the late Cretaceous period. For more information on Ankylosaurus, click here.



Q: What are some animals and plants that lived during the triasic period?
from Corey O., Eagan, Minnesota, USA; March 3, 2000

A: For some plants that lived during the Triassic period, click here. For some dinosaurs that lived during the Triassic period, click here. For some general information about the Triassic period, click here.



Q: What do you call changing the gas form of matter into the solid form of matter??????? I have searched and searched and searched!!!! Thanx -peggy
from peggy, Chicago, IL, USA; March 3, 2000

A: Vapor growth is one type of phase change of matter in which molecules of a gas attach themselves to a surface and form a crystal. This is how ice crystals grow in clouds (the water vapor forms an ice crystal on dust particles).



Q: Who named and discovered euoplocephalus
from beth, tek, IL, USA; March 3, 2000

A: Euoplocephalus was named by paleontologist Lawrence M. Lambe in 1910.. For information on Euoplocephalus, click here.



Q: How big is a t.rex (legnth+height)?
from ?; March 3, 2000

A: For information on T. rex, click here.



Q: Hi I was wondering, Do Stegosaurus's lay eggs or have babies?
from Tonya C, RLB, Illinois, USA; March 3, 2000

A: They laid eggs. For more information on Stegosaurus, click here.



Q: I am doing a report on Dr. Robert Bakker. What can you tell me about him?
from Jan D., Orlando, FL, USA; March 3, 2000

A: For info on Robert Bakker, click here.



Q: How many eggs did Iquanodon make? Did the Iquanodon have any enemies? If he did what were they? What kind type of food did the Iquanodon eat? Or what kind of plants? Where did he live? Where were their fossils found? What did he look like? How much did he weigh,his heigh and length? When did they discover this dinosaurs? How did he eat? What were his adaptions? What color were they??? Thank you i hope that you have all my anwsers and if you dont i will never ask one again!!! Thanx!!!?
from Megan S., Fountain, CO, USA; March 2, 2000

A: For this information on Iguanodon, click here.



Q: I am a 2nd grader and need some info on the Nothosaurus. What did it look like, what did it eat, where did it live and how tall, long and its weight. thank you.
from Clayton k.. mech., va, USA; March 2, 2000

A: Nothosaurus was about 10 feet (3 m) long and had a long, thin, pointed tail with a fin on its upper portion. This tail must have been used for swimming. It had five long, webbed toes. The forelimbs were shorter than the rear limbs. It lived during the entire Triassic period. Fossils have been found in what is now Europe (Germany, the Netherlands, and Switzerland), North Africa, and Asia (China, Israel, and Russia). For more information on Nothosaurs in general, click here.



Q: do diplocaulus swim in the water
from travis, temecula, ca, USA; March 2, 2000

A: Yes. For more info on Diplocaulus, click here.



Q: Can you tell me more about the Tyrannasaurus Rex?
from Jessie S., Carlisle, Ohio, USA; March 2, 2000

A: For information on T. rex, click here.



Q: how long does it take for a dinosaur egg to hatch
from ?; March 2, 2000

A: No one knows. For some information on dinosaur eggs and nests, click here.



Q: Where did the T. Rex live and where were its' fossils first found?
from Tony A., Fountain, CO, USA; March 2, 2000

A: For info on T. rex's fossils, click here.



Q: What kind of food did the T. Rex eat.
from Tony A., Fountain, CO, USA; March 2, 2000

A: For T. rex's diet, click here.



Q: I am looking for a dinosaur that has spikes on its back. Its name starts with a "p". Can you help me find the name?
from Eveanna, Shoals, IN, USA; March 2, 2000

A: Panoplosaurus and Polacanthus had spikes on their back.



Q: Are ther any drawingsor scetches of what a megalodon shark may have looked like
from Jack R., Berkeley, CA, USA; March 2, 2000

A: For information and a drawing of Megalodon, click here.



Q: I am doing research on the camptosaurus. I am in the 2nd grade. I need more information on its behavior, please.
from chris b, locust valley, ny, USA; March 2, 2000

A: For infrmation on Camptosaurus, click here.



Q: can you give list of dinosaur and their scientific name/
from julie p, cavite, philippines; March 2, 2000

A: Click here.



Q: What Dinosaur has 960 teeth
from ?; March 2, 2000

A: The plant-eating hadrosaurs (the duck-billed dinosaurs) had about 960 cheek teeth. Hadrosaurs were ornithischians from the late Cretaceous period. Maiasaura, Parasaurolophus, and Hadrosaurus were hadrosaurs.



Q: When did the plateosaurus become extinct? Why did the plateosaurus become extinct?
from Chris W., milford, ohio, USA; March 1, 2000

A: Plateosaurus went extinct about 219 million years ago, during the late Triassic period. I have no idea why it went extinct. Most animal species go extinct in "background extinction." These extinctions happen all the time, causing a non-adaptive species to die out. They happen for many reasons, including pressures from predators, competitors for habitat or food, climate changes, etc. For more information on Plateosaurus, click here.



Q: What dinosaurs lived in the Jurassic age?
from Byford K, Mt. Vernon, Illinois, USA; March 1, 2000

A: For early Jurassic dinosaurs, click here. For middle Jurassic dinosaurs, click here. For late Jurassic dinosaurs, click here.



Q: what is the pronunctiation of Protohadros
from Frances G, Havana, IL, USA; March 1, 2000

A: Protohadros is pronounced PRO-toe-HAD-ros.



Q: What is the type of reproduction and number of offspring of the Ankylosaurus?
from MZ, Fountain, CO, USA; March 1, 2000

A: Ankylosaurus hatched from eggs. No Ankylosaurus nests have been found, so no one knows how many eggs were laid in a clutch. For more information on dinosaur reproduction, click here. For information on Ankylosaurus, click here.



Q: Were is all of the informashan for ankylosaurus
from Danny, tonawanda, NY, USA; March 1, 2000

A: For information on Ankylosaurus, click here.



Q: What is the longest dinosaur name?
from Cameron W., Kalamazoo, MI, USA; March 1, 2000

A: Micropachycephalosaurus



Q: How long ago were dinosaurs discovered?
from ?; March 1, 2000

A: For a page on the first dinosaur finds, click here.



Q: WHAT DOES THE DINOSAUR AUSTROSAURUS EATS,LOOKS LIKE,HABITAT,AGE ,SIZE, HOW LONG AGO IT LIVED,TYPE,
from Tasha w., NSW, Australia; March 1, 2000

A: For information on Austrosaurus, click here.




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