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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 September 2000
Please check the
Top Sixteen Dinosaur Questions
and the
Dino and Paleontology Dictionary first!


What does the word dinosaur mean?
What does saurus mean?,
What does deinos mean?

What color were the dinosaurs?

How (and when) did the dinosaurs go extinct?
How many dinosaurs were there?
What was the biggest dinosaur? What was the smallest dinosaur? Which dinosaur was the largest meat-eater? Were there more plant-eaters or meat-eaters?
How many teeth did T. rex have (and how big were they)? What is the oldest dinosaur ever found? What was the first dinosaur ever found?
Did birds evolve from the dinosaurs?

Were there any flying dinosaurs?

Were there any swimming dinosaurs?
How do you know what the enemies of a dinosaur were? What kind of habitats did the dinosaurs live in?

I enjoy hearing from visitors. You can send your questions and I'll answer them as soon as possible. Thank you for writing! (Due to the large volume of questions coming in, I can't answer them all. I'll try to answer as many as I can, as soon as I can. J. Col, Washington, USA)

Don't forget to scroll down to find the answer to your question - they're in reverse order by the date they were asked.



Q: where can i find mammoth?
from courtney D, gambrills, maryland, aa; September 30, 2000

A: Click here.



Q: what is a megadon
from don, slc, ut, sl; September 30, 2000

A: Megalodon was a huge, ancient shark. For information on Megalodon, click here.



Q: who is the double-beamed lizard
from emmy t, slidell, la, north america; September 30, 2000

A: Diplodocus. For information on Diplodocus, click here.



Q: How do you know how old a dinosaur bone is when you look at it?
from Jon M., NY, NY, u.s.a.; September 30, 2000

A: Click here to learn about fossil dating.



Q: Is the Dimetrodon a mammal or reptile? And did it lay eggs?
from Ericka S., Sturgeon Bay, Wisconsin, USA; September 30, 2000

A: Dimetrodon is often called a "mammal-like reptile", but it was neithera mammal nor a reptile. It was a pelycosaur, the group of animals that eventually led to the mammals. Yes, it laid eggs. For more information on Dimetrodon, click here.



Q: what is a Dinichthys dinosaur? I need to write a paper on him for my 9th grade class.
from ian b, phila, pa, usa; September 30, 2000

A: Dinichthys were a family of ancient armored fish that included Dunkleosteus (the largest memeber of that family). For information on Dunkleosteus, click here.



Q: Do you have any information on a brontosaurus? If you do I want all the info. that I can Get!!!
from alicia f., New York, new york, U.S.A; September 30, 2000

A: Brontosaurus is now called Apatosaurus. For information on Apatosaurus, click here.



Q: how was the weather and the enviroment at the age of the dinosaurs?
from Brenda P, L.A., California, U.S.A.; September 29, 2000

A: It varied quite a bit. During the early Mesozoic Era (the Triassic period), the land was generally hot and dry. As Pangaea began splitting apart (during the Jurassic period), the range of weather conditions increased. Equatorial areas were hot, but areas near the poles were cold.



Q: The Earth's continents merged into one giant super contenent during the mesazoic. Its name means "all Earth"
from David S., Conway, South Carolina, usa; September 29, 2000

A: It's called Pangaea.



Q: what is the name of the dinosaur at the bottom of the ocean that is believed to be down there
from vallery s, kaplan, La, usa; September 28, 2000

A: You're reffering to a plesiosaur, probably Elasmosaurus (which wasn't a dinosaur, but was huge and lived about the same time as some of the dinosaurs).



Q: how tall was the T-REX?
from h, newberg, or, yamhill; September 28, 2000

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



Q: how many dinosaurs are there known right now
from Robert R., Peoria, ILLInois, America; September 28, 2000

A: About 1,000 genera have been discovered so far, but there were likely many more than this.



Q: where did the name Victoria come from British Columbia
from Alice c, Lab City, Nfld, Canada; September 28, 2000

A: It was named for Queen Victoria (1819-1901).



Q: Which dinosaur spits to protect itself?
from Daniel, lakewood, california, usa; September 27, 2000

A: None. In the move Jurassic Park, they had Dilophosaurus spit, but there is no factual basis for this. For information on Dilophosaurus, click here.



Q: what the name of the people who digg and abserve dinasour bones
from monica k, laural springs, jersey, ?; September 27, 2000

A: Paleontologists.



Q: How much does an apatasaurus eat in one day?
from Tom, ?, New Jersey, ?; September 26, 2000

A: No one knows. It would depend on a lot of things, like the animal's metabolic rate, how much nutrition it could extract from its food, etc. For information on Apatosaurus, click here.



Q: what is the reproductive cycle of he spinosaurus
from Devin B., San antonio, tx, united states; September 26, 2000

A: Spinosaurus, like other dinosaurs, hatched from eggs. Neither the incubations period nor the time for the hatchling to reach maturity is known. For information on Spinosaurus, click here.



Q: Hi, I have a dinosaur project. Here are some questions on the brontosaurus: 1. What are it's natural enimes? 2. Can you tell me about it's community? 3. What are it's mating practices? *Thank you. please respond by: Sep. 27 2000 at any time.
from Shefali P, North Little Rock, Arkansas, ?; September 26, 2000

A: Brontosaurus is now called Apatosaurus. 1. Healthy adult Apatosaurus' probably had no predators. 2. It may have congregated in herds (but no bonesbeds of Apatosaurs have been found). 3. No one knows anything about its mating practices. For more information on Apatosaurus, click here.



Q: I need to know if a brachiosaurus' foot print is as large as a bathtub is that square? What would the sahpe of the print look like? I would like to make a realistic model. Thank you.
from Michele L., Uxbridge, MA, USA; September 26, 2000

A: The bathtub simile is just to give an idea of the huge size; the prints were not rectangular. For a photo of a sauropod footprint from another site, click here.



Q: give me as much info on the dinosaur, centrosaurus?
from ?, ?, ?, ?; September 26, 2000

A: For information on Centrosaurus, click here.



Q: I have to do a research paper on dinosaurs in Alaska, could you give me some info on that? I have no idea where else to look! Thanks a lot!
from Tiffany L., North Pole, Alaska, USA; September 26, 2000

A: Albertosaurus, Ankylosaur (an unknown genus), Edmontosaurus, Pachycephalosaurus, Pachyrhinosaurus, Saurornitholestes, Thescelosaurus, Troödon have been found in Alaska. (For a page on which dinsaurs have been found in which part of the world, click here.)



Q: Were there any dinosaurs that were omnivoires?
from Michele L., Uxbridge, MA, USA; September 26, 2000

A: Yes, there were some, like Oviraptor and Ornithomimus. For more information on dinosaur diets, click here.



Q: How tall is t- Rex?
from Javier S, Ventura, CA, USA; September 25, 2000

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



Q: Im doing a report for school and I was wondering if you could tell me where I could find the newest hypothesis of a dinosaurs metabolic rate. I need something off the internet please. Thanks
from Greg B, Fletcher, N.C., U.S.A.; September 25, 2000

A: For a recent discovery that relates to this, click here.



Q: What dinasour has four legs and is a carnivore?
from Marina A, Philadelphia, PA, USA; September 25, 2000

A: The meat-eating dinosaurs (called theropods) all walked on two legs (they were bipeds).



Q: Could I have 15 different names of Dinosaurs during the Jurassic period?
from Sunny C, Kuala Lumpur, ?, Malaysia; September 25, 2000

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



Q: Are there any Dinosuar games
from ?, ?, ?, ?; September 25, 2000

A: For interactive dinosaur puzzles, click here. For a simpler dinosaur game, click here.



Q: hi! i have this report about dino's and i wanted to ask u what kind of animals were dinosaurs? i need this by wednesday please :)
from Rachel A, Manhattan, NY, USA; September 25, 2000

A: They were reptiles.



Q: what group classification is the pteranodon? are they pipedal or quadrupedal? are they carnivore, herbivore or ominvore? thank you for your help.
from brittany t, manchester, nh, usa; September 24, 2000

A: For the classification of Pteranodon, click here. It was a carnivore and a biped.



Q: when and where did dinosaurs live?
from sarah D, (none), (none), kuwait; September 24, 2000

A: Various types of dinosuars lived from about 230 million years ago until about 65 million yeasr ago. Dinosuars have been found on all continents. For lists of which dinosaurs were found on which continent, click here.



Q: how many dinosaurs were therr
from Megan B., massillon, ohio, ?; September 23, 2000

A: About 1,000 genera have been discovered so far, but there were likely many more than this.



Q: What was the first dinosaur that was a live? How long ago were they live?
from Amanda P., Monclova, Ohio, U.S.A; September 22, 2000

A: The earliest-known dinosaurs date from about 230 million years ago, during the Triassic period. For more information on the earliest-known dinosaur, click here.



Q: where can i find pages about the epidemic theory of dinosaur extinction for an extensive report?
from jonathan u, miami, florida, united states; September 22, 2000

A: I don't have much on that theory because it doesn't really make sense. When the dinosaurs went extinct, they weren't the only group to go extinct, so did many other animals (includng many amrine organisms) and many plants. Although an epidemic can wipe out a species or two, there are no disease organisms that can affect a large portion of the plant and animal species on Earth. Although disease may have affected some organisms, it was not the cause of a mass extinction.



Q: Hi! I am a teacher in need of some help. I am doing a lesson on dinosaurs and I am going to construct a model of a tooth and claw. I need a sketch or picture of both. I am planning on making the models of the dinosaurs with the largest tooth and the largest claw (I have the correct sizes from your web page). Thank You.
from Michele L., Uxbridge, MA, USA; September 22, 2000

A: For some drawings of dinosaur teeth, click here. For a drawing of a claw, click here.



Q: What does the word deinos? What does sauros mean Who invented the term dinosaur?
from MK, TC, and Holli H Mohave Valley, AZ, United States; September 22, 2000

A: See the frequently asked questions above.



Q: did the coelophysis dinosaur interact with other dinosaurs?
from allie, ?, ?, ?; September 22, 2000

A: Yes, all animals interact with other animals. WIth the species they mate. Outside the species they ate many other animals, and were eaten by yet others.



Q: Can you send a list of all dinosaurs?
from stephenc, rocky mount, N.C., U.S.A.; September 22, 2000

A: Click here.



Q: Does a Stegosaurus have a disc and spinal cord
from ?, ?, ?, ?; September 22, 2000

A: All dinosaurs, including Stegosaurus had a spinal cord and many vertebrae. For more information on Stegosaurus, click here.



Q: were can I find information on two famous paleontologist
from jenays., providence, Rhode Island, America; September 22, 2000

A: For information on many famous paleontologists, click here.



Q: Is there such a thing as Dinosaur Day and if so what is the day and date? Thanks for your help.
from Thomas H, Kokomo, In, USA; September 21, 2000

A: I've never heard of it, but it certainly sounds like a good idea. If anyone out there has heard about it, please let me know.



Q: what are two recent fossils found by palentologist
from ?, ?, ?, ?; September 21, 2000

A: Some dinosaurs that were just named this year include: Bambiraptor, Byronosaurus, Charonosaurus, Chuanjiesaurus, Nanyangosaurus, Nqwebasaurus, Pyroraptor, and Tendaguria.



Q: What huge event happened at the end of the Mesozoic Era?
from Ashley G., ?, ?, U.S.A; September 21, 2000

A: A mass extinction, usually referred to as the K-T extinction. It happened 65 million years ago. For more information on the K-T extinction, click here.



Q: WHEN DID THE DINOSARS DIE
from ?, Mandeville, ?, ?; September 21, 2000

A: About 65 million years ago.



Q: Does the dinosaurs have warm blood or cold and tell me the evidence?
from Kenny S, Philadelphia, Pensilvania, U.S.A; September 21, 2000

A: No one knows for sure. For more on this debate, click here.



Q: what modern - day animals are related to the dinosaurs
from Preston H, stillwater, Oklahoma, USA; September 21, 2000

A: The birds. For more information, click here.



Q: In what country have most dinosaur eggs been discovered? Is there an animal living today that is larger than any dinosaur?
from Alexander D, Miami, florida, usa; September 21, 2000

A: Huge batches of dinosaur eggs have been found i many countries, including France, Spain, Mongolia, China, Argentina, and India. For more information on dinosaur eggs, click here.

The blue whale is more massive than any of the dinosaurs.



Q: what period did brontosaurus live in?
from dm, f, ?, usa; September 21, 2000

A: Brontosaurus is now called Apatosaurus. This giant dinosaur lived during the Jurassic period. For more information on Apatosaurus, click here.



Q: Will you show me a picture of Earth's Crust?
from Earth's Crust, ?, ?, ?; September 20, 2000

A: The crust is the outer surface of the planet. For more information, click here.



Q: What are the measurements. the time lived, place lived, common name and the real name of the dinosaur with the genus-pachycephalosauria, and the species- pachycephalosauridae?
from Chad B., Shirley, Arkansas, U.S.; September 20, 2000

A: All the dinosaurs are known commonly by their scientific name (usually the genus). The type species of Pachycephalosaurus is P. wyomingensis. The genus name of Pachycephalosaurus is Pachycephalosaurus. The pachycephalosaurs were a group of dinosaurs that included Pachycephalosaurus, Stegoceras, and other thick-skulled plant-eating dinosaurs. For information on Pachycephalosaurus, click here.



Q: MINMI WHATS THE SIZE OF THIS DINOSAUR?
from KEVIN .V, LAPLACE, LOUISIANA, AMERICIA; September 20, 2000

A: Minmi was about 10 feet (3 m) long. For more information on Minmi, click here.



Q: Some dinosaurs were meat eaters.What is another word for meat eater?
from Amber A, Ga, Elberton, U.S.; September 20, 2000

A: Carnivore.



Q: who invented the term dinosaur?
from kd, moab, utah, usa; September 20, 2000

A: Sir Richard Owen. For more information, click here.



Q: Where is the Dinosaur Dictionary, so I can find information on the Megalasaurus?
from caitlin, jacksonville, florida, united states of america; September 20, 2000

A: Click here to go to the Dinosaur Dictionary. For a page on Megalosaurus, click here.



Q: what dinosaurs were herbivores that lived solitary
from mathew k, three rivers, michigan, usa; September 20, 2000

A: Only a few dinosaurs were thought to be herding animals (because their fossils were found together in large groups, like Maiasaura and Hypsilophodon). Most dinosaurs have been found alone, but that doesn't necessarily mean that they were solitary animals. A few plant-eating dinosuars that were found alone include Janenschia and Minmi.



Q: where some dinosaurs as small as a lizard
from ?, ?, ?, ?; September 20, 2000

A: The smallest known adult dinosaur was about the size of a chicken (Compsognathus).



Q: What color were the dinousaurs?
from Katie Brown Tiesha Reed, Elborton, Goergia, North America; September 20, 2000

A: No one knows. For more information, see the frequently asked questions above.



Q: when did dinasours first apear on this earth
from kat, seattle, WA, USA; September 19, 2000

A: The earliest-known dinosaur dates from about 230 million years ago, during the Triassic period.



Q: where did a Ceratosaurus live?
from Joshua g, Ellenton, Florida, U. S; September 19, 2000

A: Ceratosaurus fossils have been found in Colorado and Utah (USA) and in Tanzania, Africa. For more in formation on Ceratosaurus, click here.



Q: Why did scientists change brontosaurus to apotosaurus?
from Jane, Chicago, Il, ?; September 19, 2000

A: The American paleontologist Othniel C. Marsh described and named Apatosaurus in 1877. A few years later, in 1879, he described and named another fossil, Brontosaurus. It turned out that the two dinosaurs were actually two species of the same genus. The earlier scientific name, Apatosaurus, was adopted. For more information on Apatosaurus, click here.



Q: Who are the triceratops enemies?
from Alexandra H, ?, ?, ?; September 19, 2000

A: T. rex was a predator of Triceratops.



Q: I am in Kindergarten and my homework due this friday is to find out information on T-rex. The only question that I cannot answer and my parents can't find is, what was the lifespan of a T-rex? Thank you for your help.
from Michael R., Port St. Lucie, Florida, USA; September 19, 2000

A: No one knows the exact life span of T. rex. Since it was a large animal, it probaly has a long life span (this is based on modern-day animals having long life spans as compared to small animals). For more information on dinosaur life spans, click here. For more information on T. rex, click here.



Q: Do you have any information on the astroid theory? (if you do please write back faaaaaaaassssssstttt)
from Vania R., Stafford, TX, USA; September 19, 2000

A: Click here for information on the Alvarex asteroid theory.



Q: Why did some of the dinosaurs grow to be so large?
from Adrian C, Toronto, Ontario, Canada; September 19, 2000

A: No one knows why some of the dinosaur grew to be so large (and why we don't have enormous land animals now); this is one of the many unanswered and very interesting questions about dinosaurs.



Q: how many bones do dino's have?
from ?, cowpens, SC, ?; September 19, 2000

A: Roughly 200, but it varied from species to species.



Q: what is anather name 4 the seismosaurs like dino sour means terable liserd?
from sara h., kkk, kmkk, lll; September 18, 2000

A: Seismosaurus means "Earthquake lizard" or "Quake lizard." For more information on Seismosaurus, click here.



Q: THE DINOSAUR LIVED DURING WHAT GEOLOGIC ERA
from MICHAEL B, MINDARY KEYS, ?, AUSTARALIA; September 18, 2000

A: The dinosaurs lived during the Mesozoic Era.



Q: what is a cambrian fossil?
from jeffrey s, abilene, texas, usa; September 18, 2000

A: It's a fossil that lived during the Cambrian period, 540 to 500 million years ago.



Q: What kind of creatures were living in the Devonian Period? Can you show them to me?
from Renee L., ?, ?, ?; September 18, 2000

A: The Devonian Period is sometimes called the "Age of Fishes" because fish became adundant and diverse during this time, 408 to 360 million years ago. Land plants were also doing very well. The first amphibians appeared during the Devonian. The first tetrapods appeared toward the end of this period. The first sharks, bony fish, and ammonoids also evolved. Coral reefs, brachiopods, and crinoids were abundant. New insects, like springtails, appeared. Towards the end of this period was a mass extinction (345 mya) that wiped out 30% of all animal families); it was probably caused by glaciation or meteorite impact.



Q: WHAT WAS THE FIRST DINOSAUR IN MARYLAND?
from BOBBIE D, SALISBURY, MD, USA; September 18, 2000

A: Astrodon, which is known only from teeth. The only three found in Maryland are: Astrodon (1859), Pleurocoelus (1888), and Priconodon (1888).



Q: Is there a dinosaur that starts with an X?
from Sapphira M., Waukegan, Illinois, USA; September 18, 2000

A: Yes, Xenotarsosaurus, Xiaosaurus, Xuanhanosaurus, and Xuanhuasaurus.



Q: I am teaching a dinosaur unit!! Can you tell me about what size can I relate each of these dinosaurs too. Tyrannosaurus Rex, Stegosaurus, Diplodocus-I know is about the length of 7 cars and Allosaurus? I need to teach second graders and they don't understand feet yet. Can you please get back to me ASAP! Thanks!!
from Erica A, Jackson, MI, USA; September 17, 2000

A: There is an adult human being pictured with the dinosaur( to scale) on many of our printouts, including T. rex, Stegosaurus, and Diplodocus, etc. Using these printouts, you can show your students how they would be eye-level with the knees of an Allosaurus, and not even be up to the knees of a Diplodocus. You can show how an adult human is smaller than the head of T. rex!

T. rex was about as long as a school bus (about 40 feet long) - an entire class of students could fit inside a Diplodocus. Allosaurus was just a bit smaller. The giant sauropods were much bigger than T. rex - the tail alone was as long as a school bus for many of these giants. For a printout with a dinosaur size comparison activity, click here. For a printout on dinosaur sizes, click here.

For a page on dinosaur sizes, click here. For a dinosaur size graphing activity, click here.



Q: How big across is a Ultrasauros foot?
from Jake R., Westlake Village, California, USA; September 16, 2000

A: No Ultrasauros foot bones have been found, but the footprints would probably be about the size of a bathtub. Also, Ultasauros is a doubtful genus of dinosaur; it is probably a Supersaurus.



Q: PLEASE ANSWER THIS QUESTION IT IS FOR A SCHOOL HISTORY PROJECT, AND I AM NOT KIDDING WHAT IS THE RELATIONSHIPBETWEEN A DINOSAUR'S HEIGHT AND HOW MANY LEGS IT USES, AND THE RELATIONSHIP BETWEEN A DINOSAUR'S WEIGHT AND HOW MANY LEGS IT USES TO WALK???????????????
from SHELBY HENDERSON, GILMER, TEXAS, UNITED STATES; September 15, 2000

A: The heaviest dinosaurs all walked on four legs, and he lightest walked on two, but in the middle, it varied. As for height, two-legged dinosaurs varied in height from about a foot to about 50 feet tall, and four-legged dinosaurs varied from about 2 feet tall to about 50 feet tall (but many four-legged dinosaurs could also walk on two legs). Q: Please tell me I need help! If a dinosaur caging costs $9.50 for a ten-foot section, how much would the dinosaur caging cost for just the length of the cage?
from Patrick T., Gilmer, Texas, USA; September 15, 2000

A: It depends on what type of dinosaur you had. Some dinosaurs were the size of chickens, others were bigger than a house.



Q: How did you find the color of dinosaurs...?
from ?, ?, ?, ?; September 15, 2000

A: No one knows what color the dinosars were. See the frequently asked questions above.



Q: What does the word deinos mean? Please tell me it is for a school project!
from Meghan W., Gilmer, Texas, United States; September 15, 2000

A: See the frequently asked questions above.



Q: WHAT IS A ALADOR. NOT SURE IF IT'S CORRECT SPELLING. IT'S A DINOSAUR. I NOT SURE WHAT IT LOOKS LIKE. MY GRANDSON IS ASKING FOR IT FOR HIS BIRTHDAY. PLEASE REPLY ASAP. THANKS
from VERNA N., HONOLULU, HAWAII, ?; September 14, 2000

A: Alador was the dinosaur star of the recent Disney cartoon dinosaur movie. Alador was an Iguanodon, a plant-eating duck-billed dinosaur. For information on Iguanodon, click here. Q: WHAT TYPE OF FOOD DO THESE DIFFERENT DINOSAUS EAT PACHYCEPHALOSAURUS OVIRAPTORS STEGOSAURS ANKYLOSAUR TRICERATOPS TYRANNOSAURUS PARASAUROLOPHUS
from KATHY A, ADDISON, TX, USA; September 14, 2000

A: Click on the name of the dinosaur to go to a page on it with information on its diet: Pachycephalosaurus, Oviraptor, Stegosaurus, Ankylosaurus, Triceratops, T. rex, Parasaurolophus.



Q: what did a Baryonyx eat
from ?, ?, ?, ?; September 14, 2000

A: Baryonyx is known to have eaten fish. For more informatin on Baryonyx, click here.



Q: what is the class, order, family, & genus of the deinonychus?
from james s., houston, texas, united states of americaca; September 14, 2000

A: The genus is Deinonychus (the dinosaurs are commonly known by their genus name). It belongs to the class Archosauria (diapsids with socket-set teeth), order Saurischia (lizard-hipped dinosaurs), and family Dromaeosauridae (the so-called raptors). (NB Most paleontologists don't use Linnean classification - they use cladistics, a way of classifying organisms based on their evolutionary relationships.) For more information on dinosaur classification, click here.



Q: what kind of habitat did the dinosaurs live in?
from JD, Albany, Missouri, us; September 13, 2000

A: It varied greatly among the different dinosaurs and across time. Some lived in forested areas, other lived in dryer areas; some lived in very warm areas, while others lived in cold areas.



Q: SOPPOSE YOU HAD TO TAKE YOUR PET DINOSAUR TO THE VETINARIAN AND NEEDED A CAGE TO PUT HIM IN. HOW BIG WOULD THE CAGE BE?
from MEGHAN W., GILMER, TEXAS, UNITED STATES; September 13, 2000

A: It would depend on which dinosaur you had. Dinosaurs ranged in size from the size of a chicken to bigger than a house.



Q: I'm a sophomore in high schhool and I need to know a species of animals that is close to, or already is extinct. I need a species that became extinct in 1998 or later. Thanks for your help.
from jared R, ?, ?, Usa; September 13, 2000

A: The kakapo is a bird close to extinction - there are fewer than 100 of these critically endangered birds in the wild. For some endangered species, click here. I can't think of a species that went extinct in the last 2 years (but there are probably many).



Q: What does Stegasarus mean? How many babies can stegosaurus have?
from Erin n, columbus, Kansas, usa; September 13, 2000

A: Stegosaurus means "roofed lizard" or "covered lizard." Stegosaurus reproduced by laying eggs, but no one knows how many eggs were laid at one time.

For more information on Stegosaurus, click here.



Q: Is there a difference between a Megladon and a Mega Mouth Shark? I really need a lot of info on the Megladon!!!!!
from Dana W., Tulsa, Oklahoma, U.S.; September 13, 2000

A: Yes. Megalodon is an extinct shark - the megamouth is a modern-day shark. For more information on Megalodon, click here.



Q: what is the scientific name of stegosaurus
from angie v., coral springs, fl, usa; September 13, 2000

A: All the dinosaurs are known by their scientific names. Stegosaurus is the scientific name for a genus of dinosaurs. For more information on Stegosaurus, click here.



Q: What mammal is larger than any dinosaur
from ?, ?, ?, ?; September 13, 2000

A: The blue whale.



Q: What does sauros mean
from Adam T., Gilmer, Texas, United States; September 13, 2000

A: See the frequently asked questions above.



Q: how often do allosaurus eat????
from andie.l, melbourne, vic, aus; September 13, 2000

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



Q: I have read meg and the trench but I wuld love to find out mre about megladon sharks do you know any good books on the meg sharks?
from Lauren, ?, ?, Scotland; September 13, 2000

A: For information on Megalodon, click here.



Q: how large are raptors?
from Samantha G, Joliet, IL, usa; September 12, 2000

A: THere were many "raptors" including Velociraptor, Deinonychus, Utahraptor, etc. Utahraptor is the biggest know; it was about 20 feet long (6.5 m).



Q: I have always heard that the lizards we see in the desert today are the descendants of prehistoric ones. Did lizards co-exist in the same epoch with mastadons?
from Jeff A, Tucson, AZ, USA; September 12, 2000

A: Lizards evolved long before Mastodons appeared.



Q: What Dinosours Were Found in the Az Desert?
from Angel H., Tucson, AZ, USA; September 12, 2000

A: Ammosaurus, Anchisaurus, Anomoepus, Chindesaurus, Coelophysis, Dilophosaurus, Eubrontes, Massospondylus, Navahopus, Revueltosaurus, Rioarribasaurus, Scutellosaurus, Segiosaurus, Sonorasaurus, Syntarsus have been found in Arizona.



Q: What other animals lived during the time of the woolly mammoth?
from Michael B., Victoria, B.C., Canada; September 12, 2000

A: For a page on some mammals that lived during the last Ice Age, click here.



Q: How did the Eoraptor protect it self??
from Hanson W., Houston, Texas, Bunker Hill; September 12, 2000

A: Eoraptor had sharp teeth and claws on its arms and legs. For more information on Eoraptor, click here.



Q: What was the climate like back in the dinosaur days?
from Nelson L, LaJolla, California, USA; September 11, 2000

A: It varied depending on the location (and the time), but was generally warmer than it is now. For more information on the Mesozoic Era, click here.



Q: I need a list of the earliest known mammals in the dinosaur period. Or just the earliest known mamal
from Scarlet R., Lawrenceburg, KY, U.S.; September 11, 2000

A: Some of the earliest-known mammals include Eozostrodon, Jeholodens and Zalambdalestes. For more information on mammalian evolution, click here.



Q: dino more plant or meat eaters? plant eater 3 horns on head? when did they all die?
from alyssa w, tuscumbia, mo, ?; September 11, 2000

A: There were many more plant-eating dinosaurs than meat-eating dinosaurs. Triceratops had three horns on its head. The last of the dinosaurs went extinct about 65 million years ago.



Q: What is the pronounciation of Brachiosaurus?
from Jeffrey A., Anoka, Minnesota, United States of America; September 11, 2000

A: Brachiosaurus is pronounced BRACK-ee-uh-SAWR-us. For information on Brachiosaurus, click here.



Q: How does a land animal evolve to a flying animal?
from Sandra P., Flushing, N.Y, U.S.A; September 11, 2000

A: There's a lot of debate about this. Some biologists argue that flying begins as gliding (from trees) and evolves into powered flight. Other biologists argue that flying begins as leaping from the ground. For a good page on the topic, click here.



Q: CAN YOU TELL ME MORE ABOUT A DINOSAURS LIFE SPAN PLEASE?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
from JUSTIN.W, x, QUEENSLAND, AUSTRALIA; September 10, 2000

A: For a page on dinosaur life spans, click here.



Q: What do fossils tell us about dinosaurs? could you pleaseeeeeee answer by the end of to today??????????????
from hayley p, Queensland, ?, Australia; September 10, 2000

A: Almost everything we know about dinosaurs is from their fossil remains. Their fossils tell us how big they were, how they walked (and how fast), what they ate, how smart they were, and when they lived (from the location of the fossils with respect to index fossils, or radio-isotope dated lava).



Q: how do most dinosaurs mate or reproduces and how often do they eat
from mary, melbourne, vic, aus; September 10, 2000

A: No one knows.



Q: where can i find pictures of a pteronodon on the internet
from sn, lavergne, tn, united states; September 10, 2000

A: Click here. Or for a black-and-white diagram, click here.



Q: Can you give me some information on the Megalodon? I am reading a book called MEG, and i would like to get a background on the animal. Thanx!
from Brianna B, Rochester Hills, Michigan, USA; September 9, 2000

A: For information on Megalodon, click here.



Q: What are the eating habits does a stegosaurus have?
from Tiffany J., Oak Grove, L.A, USA; September 9, 2000

A: Stegosaurus was a plant-eating dinosaur that ate low-lying plants. For more infrormation on Stegosaurus, click here. For a page on the plants that lived during the Jurassic period, when Stegosaurus lived, click here.



Q: I need sentences about dinosaurces can you help me by the end of the day?
from D B, glendale, az, phonex; September 8, 2000

A: This site is filled with sentences about dinosaurs. Star by reading the main page on dinosaurs.



Q: Why do animals become extinct?
from ?, ?, ?, ?; September 8, 2000

A: Because they were unable adapt to a changing environment (like new predators, a loss of a food source, environmental changes, disease, etc.); their birth rate becomes lower than their death rate, leading eventually to extinction.



Q: What year did Chinese scientists discover a fossil of a dinosaur with feathers?
from Josh C., New Bedford, MA, USA; September 8, 2000

A: In 1998, some bird-like dinosaurs with rudimentary feathers, Protarchaeopteryx robusta and Caudipteryx zoui, were found in the Liaoning Province of China.



Q: What do T-Rex eat?
from Jeffrey E., Copus Christi, Texas, United States; September 8, 2000

A: Click here for information on T, rex's diet.



Q: what was the first dinasaur that lived and what was the last dinasaur that lived
from ashley w, clw, fl, usa; September 7, 2000

A: The earliest-known dinosaurs were found on Madagacar. The last-known dinosaur is a duck-bill that survived the K-T extinction.



Q: Does climate affect a Coelophysis in any way?
from Jessica S., oakland, California, U.S.A.; September 7, 2000

A: Yes, the climate affects all organisms, including Coelophysis.



Q: What are the different theories about the destruction of the dinosaurs?
from Katelyn B., Atlanta, Georgia, USA; September 7, 2000

A: The most widely accepted theory is the Alvarez Asteroid Theory; for other theories, click here.



Q: PLEASE answer my questions BEFORE Sunday, September 10, 2000. I need the answers on Monday, September 11, 2000. THANK YOU! Was the Tyranosaurus rex a hunter or a scavenger? If the T-rex was a hunter, how did it hunt it's prey? How do scientists know how the T-rex hunted? Who discovered the T-rex? How did the T-rex take care of it's young? What kind of climate and/or habitat did the T-rex live in? How did the climate and/or habitat affect the T-rex's size, shape, or special body parts? Where was the T-rex discovered? What other dinosaurs lived around the T-rex?
from Samantha H., Alameda, California, United States of America; September 7, 2000

A: Was the Tyranosaurus rex a hunter or a scavenger? - There is some debate about this; click here for details. If the T-rex was a hunter, how did it hunt it's prey? The answer is the same page as the answer to the last question. How do scientists know how the T-rex hunted? Mostly by look at how modern-day large, fast predators (like lions) hunt. Who discovered the T-rex? Where was the T-rex discovered? Barnum Brown. For more information, click here. How did the T-rex take care of it's young? No one knows if it card for its young at all. What kind of climate and/or habitat did the T-rex live in? Read the main page on T. rex. What other dinosaurs lived around the T-rex? For other late Cretaceous dinosaurs, click here and go the section on North America.



Q: HOW MANY DINOSAURS WERE THERE?
from ?, ?, ?, ?; September 7, 2000

A: There are about a thousand known genera.



Q: were is the dinosaur index
from ?, ?, ?, ?; September 7, 2000

A: For a list of all the known dinosaurs, click here.



Q: What are plant eaters called?
from Amanda M., York, Pa, USA; September 7, 2000

A: Herbivores.



Q: Could have megladon sharks survived and be living in a trench?
from Lauren p, Dumfries, ?, Scotland; September 7, 2000

A: The trenches probably do not have enough food to sustain a large predator like Megalodon.



Q: What does a paleontoligist use to excavate dino bones?????????????????????????
from Devin D., Lantana, Fl., U.S.A.; September 6, 2000

A: For a page on excavating fossils, click here.



Q: WHAT OR WHO IS TOLLAND MAN?
from AJ, GREENSBORO, NC, UNITED STATES; September 5, 2000

A: Tolland Man is a well-preserved prehistoric corpse that was found in a peat bog in Denmark in the 1950's. He seems to have been strangled; it is theorized that his death was a human sacrifice.



Q: WHERE DID THE DINOSAURS LIVE?
from E.K, ?, ?, ?; September 4, 2000

A: Dinosaurs have been found on all seven continents. For a series of pages on where dinosaur fossils have been found, click here.



Q: What dinosaurs lived in Hawaii?
from ?, ?, ?, ?; September 4, 2000

A: None.



Q: what are the Raptors enimies and what stage did it live in?
from ?, ?, ?, ?; September 4, 2000

A: The "raptors" (like Utahraptor, Deinonychus, and Velociraptor) were at the top of the food chain, and unless they were young or injured, they probably had no predators.

They lived during the Cretaceous period.



Q: what is the name of the duck billed dinasour?
from rose K., albany, ny, usa; September 4, 2000

A: There were many different genera of duck-billed dinosaurs, and as a group they are called hadrosaurs. Some of the most commonly-known duck-bills are Parasaurolophus, Lambeosaurus, Corythosaurus, Edmontosaurus, Hadrosaurus, and Maiasaura



Q: Which bone is most commonly found in anatomical fossils? I need an answer soon!
from Brooke P., Ellington, Connecticut, United States of America; September 4, 2000

A: I think it's vertebrae.



Q: What were the small hands on a T Rex for?
from ?, ?, ?, ?; September 3, 2000

A: No one knows. For what is known about T. rex, click here.



Q: What was the name of the spitting dinosaur in the film Jurassic Park?
from Guy S, Brighton, Sussex, England; September 3, 2000

A: Dilophosaurus, but there is no evidence that it spat anything (this was just made up for the movie). For more information on Dilophosaurus, click here.



Q: What is the name of a prehistoric elephant ?
from James L, Noosaville, Queensland, Australia; September 2, 2000

A: Mammoths and mastodons were early elephants. For more information on mammoths, click here.



Q: did all dinosaurs have tails?
from jenna s, winnipeg, mb, canada; September 1, 2000

A: Yes.



Q: I'm surprised to hear that a non-avian dinosaur survived the extinction!
from JIMMY L., ?, Georgia, United States; September 1, 2000

A: Yes, that's quite a remarkable find. For those of you who haven't heard about this very late duck-bill, click here.



Q: identify 2 examples of dinosaur from each period
from L, ?, n.s.w, australia; September 1, 2000

A: Triassic period: Eoraptor, Plateosaurus; Jurassic period: Brachiosaurus, Stegosaurus; Cretaceous period: T. rex, Triceratops.



Q: how do you know the color of dinosuars
from tyler e, yorkhaven, pa, us; September 1, 2000

A: You don't; all you can do is guess. See question #1 above in the Frequently Asked Questions.



Q: Which was bigger- a diplodocus or a triceratops? Which lived on Earth first- dinosaurs or cockroaches?
from Nina, ?, ?, ?; September 1, 2000

A: Diplodocus was longer and heavier. Diplodocus was about 90 feet (27 m) long and weighed roughly 10-20 tons; Triceratops was about 30 feet (9 m) long and weighed roughly 6-12 tons.

For more information on Diplodocus, click here. For more information on Triceratops, click here

Cockroaches similar to modern-day species are found in upper Carboniferous rock, roughly 300 million years old. Dinosaurs evolved much later, about 230 million years ago, during the Triassic period.



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