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

Old Questions
May-Oct. 2002
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Questions from early April 2001
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. Jeananda 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: What are 5 other animals or dinosaurs that were around when the stegosaurus was????
from Maria P., Stafford, Virginia, United States; April 15, 2001

A: Click here for other dinosuars that lived during the late Jurassic period with Stegosaurus.



Q: Has there every been any major fossil discovery's in Kansas? If not, why?
from Daniel T, Kansas City, Kansas, USA; April 14, 2001

A: Yes, there have been many fossils found in Kansas, including mosasaurs, plesiosaurs, and many others.



Q: WHAT DID LYSTROSAURUS AND ESTEMMENOSUCHUS NAME MEAN?PLEASE ANSWER IT I'M DESPRATE TO FIND OUT.THANK YOU.YOU PEOPLE ARE THE BEST.
from DONOVAN R., ?, SINGAPORE, ?; April 14, 2001

A: Lystrosaurus means "shovel lizard." Estemmenosuchus means "crowned crocodile."



Q: What year did the stegosaurus live i need this asap
from E.M, plantation, florida, united states; April 14, 2001

A: Stegosaurus lived dirong the late Jurassic period, from about 156-140 million years ago.



Q: what is all the info on tree frogs?
from whitney s, cb, iowa, ?; April 12, 2001

A: Click here for a page on the red-eyed tree frog.



Q: FRIST LAND ANIMALS
from RUDOLHP L, FONTANA, CALIFORNIA, UNITED STATES; April 13, 2001

A: The first land animals were amphibians from the Devonian Period.



Q: I'm helping my little sister is doing a report about the apatosaurus and she need to know who was the autor that wrote all of the infomation on the apatosaurus section? please my you please get the information by Sunday April 11th or sooner. Thank you for your time and help. -Richard M :) ps:i'm sorry i made a typo in the question. the date the i need the autor name is on April 15th. thank you again for your time.
from Richard M., Carson City, California, USA; April 13, 2001

A: Jeananda Col



Q: What was the diet of herbivore dinosaures during the jurrasic period?
from Siena W., Bolinas, California, United States(unfortunately); April 12, 2001

A: There were many different types of plant-eating dinosaurs during the Jurassic and they ate different plants. For example, Brachiosaurus probably ate leaves from high in the trees, but Stegosaurus probably ate low-lying plants.



Q: How many times does the Brontosaurus eat?
from Kelsey B., ?, ?, ?; April 13, 2001

A: No one knows exactly, but the plant-eaters probably spent most of their time eating.



Q: Were more dinosaurs plant eaters or meat eaters
from ?, ?, ?, ?; April 12, 2001

A: There were many more plant-eaters. For more information on dinosaur diets, click here.



Q: Why was it very hot when the dinosaurs lived?
from Sarah C., Pittsburgh, PA, U.S.A; April 12, 2001

A: The Earth goes through periodic changes in temperature, but no one knows the exact cause(s). The temperature changes may be due to changes in the Sun, or to changes in the Earth's atmosphere (from changes in volcanic activity or other large-scale phenomena).



Q: When did dinasaurs become extint?
from ?, ?, ?, ?; April 12, 2001

A: Different types of dinosaurs went extinct throughout the Mesozoic Era. The last of the dinosaurs went extinct in the K-T extinction at the end of the Cretaceous period, about 65 million years ago.



Q: were the dinosaurs reptiles or big lizards?
from kelsey g, liberty lake, wa, usa; April 11, 2001

A: Dinosaurs were reptiles but not lizards.



Q: Where can I find a species list of the inchogenera?
from Ben C., Pheonix, Arizona, U.S; April 11, 2001

A: For all the one I know of, click here.



Q: what are the plants of the creatacious period
from sarah n, stanton, michigan, united states of america; April 11, 2001

A: Click here for a page on Cretaceous period plants.



Q: Information about Komoto Dragons
from Julian Grijalva, San Diego, California, U.S.A.; April 11, 2001

A: For information on Komodo dragons, click here.



Q: where can i find information on the dinosaur Diplocaulus
from Valerie b, elizabeth, in, usa; April 10, 2001

A: Click here.



Q: how many dinosaurs were dicovered in north america?
from Archaeopteryx, ?, ?, ?; April 10, 2001

A: I haven't counted them, but click here for a list of them.



Q: Could you please tell me the difference in a wooly mammoth and a mastadon?
from Kenneth M., Midway, Ga., USA; April 10, 2001

A: Mammoths had longer tusks than mastodons, a wider head, a sloping back, flat, chewing teeth, a trunk with two finger-like projections, and were mostly taller. Mastodons evolved earlier and lasted longer in geologic time.



Q: where are dinosaur fossils found
from emily.m, Pottstown, pa, u.s.a; April 10, 2001

A: Dinosaur fossils have been found all over the world (on each of the continents), usually in sedimentary rock.



Q: How do Troodon dinosaurs reproduce?
from WZUP, Triton, New Jersey, USA; April 10, 2001

A: Troodon hatched from eggs. Elongated Troodon eggs in nests have been found in Montana, USA.



Q: what info can u give me on the brachiosauras?
from j c, green bay, wisconsin, u.s.; April 9, 2001

A: Click here.



Q: What does the name Dimetrodon mean? When and where did it live?
from elliot B, cincinnati, Ohio, USA; April 9, 2001

A: Dimetrodon means "two measures tooth." It lived in swampy areas during the Permian period (fossils have been found in Texas and Oklahoma). For more information on Dimetrodon, click here.



Q: How do Scientist know the climate of the dinosaur age?
from Jacquelyn A., Chicago, IL., United States; April 9, 2001

A: They look at a lot of clues, including the sea level at that time (when the climate is hot, the polar ice melts and the sea level rises), the type of plants that lived (for example, if you see tropical-type plants at temperate latitudes, it was warmer than it is now; if you see succulents, it was a dry area), etc.



Q: How did the Allosaurus protect it self?
from Matt F, Glenmoore, PA, USA; April 9, 2001

A: Allosaurus had sharp teeth in its powerful jaws and sharp claws on its feet and hands.



Q: I HAVE A PROJECT DUE TOMORROW AND I NEED TO FIND PICTURES OF PLANTS FROM THE MESAZOIC ERA.
from BRIAN L., BROWNWOOD, TEXAS, BROWN COUNTY; April 9, 2001

A: Click here for Mesozoic Era plants.



Q: what is the habitat of the dinosaurs? And there eating habits and so on? :) Thanx (: PMW
from Paige M. W., Nisland, SD, usa; April 9, 2001

A: DIfferent dinosaurs lived in different habitats, ranging from deserts to forests to swampy areas. For a page on dinosaur diets (which also differed greatly), click here.



Q: wHAT IS THE DIET OF THE TYRANOSAURUS REX?
from ?, ?, ?, ?; April 9, 2001

A: T. rex was a meat-eater (a carnivore) that ate large animals, like the plant-eating dinosaur Triceratops. For more information on T. rex's diet, click here.



Q: do you have info on velociraptor
from james .m, plainveiw, ark, us; April 9, 2001

A: Click here.



Q: when did the coelophysis dinosor live
from ryan b, Berlin, pennsylvania, united states; April 9, 2001

A: Coelophysis lived during the late Triassic period, roughly 210 million years ago. For more information on Coelophysis, click here.



Q: Was Euoplocephalus bigger than a Ankylosaur?
from Garrett, North Haven, Connecticut, U.S.A; April 8, 2001

A: Euoplocephalus was a type of ankylosaur. Euoplocephalus (about 20 feet long) was slightly smaller than Ankylosaurus (25-30 feet long).



Q: How many dinosars were there ?
from chad m., Margate, FL, usa; April 8, 2001

A: There are about 1000 known genera (and there were many more species).



Q: My sister has a repor due at the end of the mouth ( 4-30-01) and she need to know how did the Maiasaura survive in the wild? please tell me as soon as posible i really need the answer.
from Brittani C., Clermont, Fl, Florida, usa; April 7, 2001

A: All the dinosaurs lived in the wild. To survive, Maiasaura had to eat (it was a plant eater), avoid injury, and escape from or avoid predators (meat-eaters).



Q: Where can I find information on a Saurischian dinosaurs circulatory system? How many chambers does their heart have and is it open or closed? (open-no vessels, closed-with vessels).
from Amanda G., Lubbock, Texas, united States; April 7, 2001

A: Only one fossilized dinosaur hear has been found (from Thescelosaurus, an ornithischian dinosaur). I haven't heard of any saurischian dinosaur hearts being found.



Q: some dinosaurs walked with their tails in the air, and some walked with their tails on the ground, how does a paleontologist find out which a dinosaur did?
from kaitlin x., ?, ?, ?; April 7, 2001

A: It is thought that most dinosaurs held their tail above the ground because although many fossilized footprints have been found, very few fossilized tail tracks have been found with them.



Q: I need to know 8 different types of animals that might have been evolved from a Cretacious dinosaur in 2 days (counting today. I DON'T WANT TO GET AN F! I'M DEPENDING ON YOU!)! Please answer by then.
from Collin E., St. Louis, Missouri, United States of America; April 7, 2001

A: Only the birds are thought to have evolved from dinosaurs (but not necessarily from Cretaceous period dinosaurs). Perhaps you could list various types of birds.



Q: WHAT DOES THE NAME APATOSAURUS MEAN AND OR WHERE DID IT GET ITS NAME FROM. THANK YOU JESSICA
from jessica, houston, texas, UNITED STATES; April 7, 2001

A: Apatosaurus was called Apatosaurus, which means "deceptive lizard," because its fosisls were so similar to those of other sauropods. It was named in 1877 by US paleontologist Othniel C. Marsh.



Q: Did the Apatosuarus go extinct before the time of the T Rex?
from Ben T, Hobbs, New Mexico, USA; April 7, 2001

A: Yes, Apatosaurus died out many millions of years before T. rex evolved. Apatosaurus lived from 57-146 million years ago; T. rex lived from 85 to 65 million years ago.



Q: What is there to report on Brachiosaurus as for as, a description telling about any particular characteristics of the dinosauer such as a bony head or spiked tail, the dinosauer's diet, size, and what the name means?
from Denny T, Houston, Texas, U.S.A.; April 7, 2001

A: For a page on Brachiosaurus, click here.



Q: Where was a pterandon found? Can I get a map?
from ?, ?, ?, ?; April 6, 2001

A: Pteranodon fossils have been found in the USA (in Kansas) and in England.



Q: What is the Albertosaurus?What does it eat?How long did it live?
from Fernando A., Houston, Texas, United States of America; April 6, 2001

A: For information on Albertosaurus, click here. I've never seen an estimate of the life span of this meat-eater.



Q: When was the first Dino born?
from Emily K., Perry, Ohio, usa; April 6, 2001

A: The earliest-known dinosaurs lived about 230 million years ago, during the Triassic period.



Q: Why did the Jurassic period begin when it did and why did it end when it did?
from Jenny C., ?, Texas, United States; April 5, 2001

A: The period is the basic unit of geological time in which a single type of rock system is formed; periods last tens of millions of years. The period changes when a major geological event occurs (like tremendous volcanic activity or a huge asteroid impact). The Jurassic period (208-146 million years ago) began after a minor mass extinction occurred at the end of the Triassic period (probably caused by global cooling resulting from an asteroid impact). The continent of Pangaea began drifting apart during the beginning of the Jurassic. The Jurassic ended with a minor mass extinction (the cause of which is unknown).



Q: when did brachiosaurus live (era and year)
from Rosceda R., ?, ?, ?; April 5, 2001

A: Brachiosaurus lived from 156 million to 145 million years during the Jurassic period (the middle part of the Mesozoic Era).



Q: how do you classify dimetrodon from kingdom down to order?
from sarah r., austin, texas, united states; April 5, 2001

A: See the page on Dimetrodon.



Q: Do you have any information on Carcharodon Megalodon?
from JacobV., Cleveland, Ohio, United States; April 5, 2001

A: Click here.



Q: did dinosours come from birds
from Tasha S., sanford, ?, seminoles; April 4, 2001

A: No, it's the other way around.



Q: what are all the time periods
from ?, ?, ?, ?; April 4, 2001

A: Click here.



Q: How long do dinosuars live?
from Mariah C., Chinle, AZ, USA; April 4, 2001

A: Click here.



Q: When did the dinosuars die
from reuben wi, chinle, AZ, USA; April 4, 2001

A: The last remaining dinosaurs died 65 million years ago during the K-T extinction, but most dinosaur species went extinct at various times throughout the Mesozoic Era.



Q: where do you find fossils?
from kalan s, chinle, az, usa; April 4, 2001

A: Old sedimentary rocks.



Q: What dinosaur has a fin on its back?
from Lindsay Wells, Bow, NH, USA; April 4, 2001

A: A few dinosaurs did, including Ouranosaurus, Spinosaurus, Acrocanthosaurus, and others.



Q: What was the earliest evidence of birds and mammals?
from saria k., calgary, alberta, canada; April 4, 2001

A: The earliest mammals date from the Triassic period. The earliest bird (Archaeopteryx) dates from the Jurassic period.



Q: Where can I get enough information on the Baryonyx dinosaur for a 4 page double spaced report due Monday April 9?
from Arian H, Quitan, AR, USA; April 4, 2001

A: Click here for a page on Baryonyx. Also, click on the links on that page for in-depth information on related topics (like what is was like when it lived, and what dinosaurs it is related to).



Q: What is dinosaur poop called? Why don't we look at that to see what the dinosaurs ate?
from Jack W., Chandler, AZ, ?; April 4, 2001

A: Fossilized feces (poop) is called coprolites. Paleontolosts do study coprolites to learn about dinosaur (and other extinct animal) diets. For example, T. rex coprolites were found containing bits of crushed Triceratops frill bone.



Q: I am doing research on Archelon/Dinosaur, I would like some basic information, and possibly a picture.
from Kylee T., Birdsboro, Pa, USA; April 4, 2001

A: For a page on Arhcelon, click here



Q: My daughter has a report due Friday on the Iguanodon.Do you have any color pictures of this dinosaur?When did they go extinct?
from WENDY B, HUDSON, NORTH CAROLINA, USA; April 3, 2001

A: For a page on Iguanodon, click here (but the color of Iguanodon, like all dinosaurs, is not known).



Q: How do scientists interpret how old a dinasaurs bone is?
from ?, ?, ?, ?; April 3, 2001

A: Click here.



Q: How did the T. Rex became extinct?
from Chelsey J, Sacramento, CA., United Sates; April 3, 2001

A: T. rex died during the K-T extinction, which may have been caused by a huge asteroid impact that changed the Earth's climate.



Q: Why have no dinosaur bones been found in Florida?
from Claire S., Tampa, Florida, USA; April 3, 2001

A: During the time of the dinosaurs, the weather was warmer than it is now. Because of this, there was no polar ice and the sea level was higher than it is now, and low-lying places, like Florida, were underwater.



Q: do you have anything about diplodocus.
from Riley coulson, Gold coast, ?, Australia; April 3, 2001

A: Click here.



Q: What was the species of the first dino ever found?
from Chase.D, Salem, Oragan, U.S.; April 2, 2001

A: Iguanodon was the first dinosaur genus found (but was not the first one the be named). The first dinosaur to be named (and scientifically described) was Megalosaurus bucklandii. For more information on this and other early dinosaur discoveries, click here.



Q: How meny dinosuars are in New Zealand?
from bob jones, alabama, alabama, U.S.A; April 2, 2001

A: Fragmentary ankylosaur, carnosaur, and sauropod fossils have been found in New Zealand (by Joan Wiffen, an amateur paleontologist who pioneered dinosaur hunting in New Zealand).



Q: WHAT DOES DIPLODOCUS MEAN?
from Ami J, Hong kong, HKSAR, china; April 2, 2001

A: Diplodocus means "double beamed." For more information on Diplodocus, click here.



Q: How can scientists find how old a dinosaur is by just looking at their bones?
from Alex W, Danville, ky, USA; April 2, 2001

A: For a page on dating dinosaur bones, click here.



Q: Where does a Komoto live?
from Colin G., Collinsville, illinois, USA; April 2, 2001

A: Komodo dragons live on Komodo Island and other nearby islands in Indonesia. For more information on Komodo dragons, click here.



Q: What does the name Ichthyosaur mean?
from Alyssa N., ?, ?, ?; April 2, 2001

A: It means "fish lizard." For more information on Ichthyosaurs, click here.



Q: Wear caveman alive With the Dinosaurs?
from Arissa P, Huntley, IL, U.S.A.; April 2, 2001

A: No, dinosaurs went extinct millions of years before people evolved. Only tiny, almost rat-like mammals were alive during the time of the dinosaurs.



Q: Which dinsaurs walked on two feet and which dinosaurs walked on four feet?
from ?, ?, ?, ?; April 1, 2001

A: The ones who walked on two legs (bipeds) were theropods (the meat-eaters). There were many different dinosaurs who walked on four legs (quadrupeds), including the sauropods and some ornithischians.



Q: DURING THE TRIASSIC PERIOD HOW AND WHAT IS THE DIFFERENCE IN WHICH THE EARTH HAS CHANGED??????? I REALLY NEED TO KNOW BECAUSE I'M DOING A PROJECT AND ILLUSTRATIONS ON THIS SUBJECT. I KNOW ABOUT PANGEA BUT I NEED MORE INFO ABOUT THE EARTH AND COMPARE AND CONTRAST THE EARTH FROM THEN TO NOW!!!!!!!!!!!!
from LORI S., BELL GARDENS, CALIFORNIA, U.S.A; April 1, 2001

A: As you mentioned, during the Triassic period, all the continents were jammed together into one supercontinent called Pangaea. This made most of the interior dry and deserty. The weather was warmer than it is now and there was no polar ice, so sea levels were higer than they are now. Another major difference is the lack of flowering plants (including grasses) during the Triassic.



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