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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 early March 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: I am doing a report on Plesiosaurus. I need to know how they get their food? Also where are the fossils found? Thank you.
from THOMAS S, LACKAWANNA, NEW YORK, UNITED STATES; March 15, 2001

A: Plesiosaurus fossils have been found in England and Germany. They got their food using their mouth, which had many sharp teeth. For a page on Plesiosaurus, click here.



Q: What animals were present during the tertiary period?
from javier c, oxnard, california, unite states; March 15, 2001

A: The Tertiary period lasted from 65 to 1.8 million years ago (starting just as the dinosaurs died out). Some animals from this period include Megalodon (the giant shark), mammals (including early horses, pigs, tapirs, cats, rhinos, dogs, rodents, bears, monkeys, apes, whales, and the first hominids, like australopithecines), modern birds, many fish and invertebrates.



Q: what is the name of the dinosaur that steals eggs and eats them.
from taylor b, exeter, nh, america; March 15, 2001

A: Oviraptor was originally thought to steal eggs. For more information on Oviraptor, click here.



Q: I was wondering about the sauropod.Iam in the first grade and i need help finding info.What was its size?Thanks alot!
from ?; March 15, 2001

A: There were many different types of sauropods, including Brachiosaurus, Apatosaurus, and Diplodocus. They were all large, long-necked, long-tailed plant-eaters. For more information on sauropods, click here.



Q: HI iam in need for alot of help.I need to know................Name three dinos that existed 65 million years ago,at the end of the age of dinos .PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!I NEED to know fast!!!!!!!!!!!!!!!!!!!!!!!! "!!"
from ?; March 15, 2001

A: T. rex, Triceratops, and Protoceratops. For more late Cretaceous dinosaurs, click here.



Q: In which era did the dinosuars first appear in?
from foxy, davenport, IA, U.S.A; March 14, 2001

A: Dinosaurs evolved early in the Mesozoic Era, about 230 million years ago (the first part of the Mesozoic Era is called the Triassic period).



Q: How many bones were in Tyrannosaurus Rex's body?
from Peggy S., Corunna, Michigan, United States of America; March 14, 2001

A: About 200.



Q: What did most dinosaurs eat?
from T.J. A., Dublin, GA, United States; March 14, 2001

A: Most dinosaurs were plant-eaters (herbivores). For more information on dinosaur diets, click here.



Q: wich dinosaurs existed 65 million years ago
from lauren, madawaska, u.s.a, Maine; March 14, 2001

A: ^% million years ago was the very end of the Cretaceous period, a time when there were a tremendous number of dinosaurs (and also the time when the K-T extinction occured). For a list of late Cretaceous period dinosaurs, click here.



Q: Where can i find info on Muttaburrasaurus ( an Australian dinosaur) ??????????????
from Niki.M, Sydney, N.S.W, Australia; March 14, 2001

A: Click here.



Q: Could a dinosaurs ever be cloned?
from kaitlin, Huntingdon, Quebec, Canada; March 13, 2001

A: If some complete dinosaur DNA could be found then it might be possible.



Q: I want to learn about Vulcanodon but it is not in many of the books that I have found. Please give me some answers and pictures. I am 6 and want to know more.
from Ben Windo, Birmingham, ?, England; March 13, 2001

A: Click here.



Q: Can you please give me the class order for a crocidile and the habitats, reproduction, and eating habits. Thank you.
from Everett A., B., Montana, North America; March 13, 2001

A: Click here.



Q: how did the t-rex care for its young?
from ?, ?, ?, ?; March 13, 2001

A: There is no fossil evidence to tell us anything about this (yet).



Q: IS PACHYRHINOSAURUS SMALL?
from DONOVAN R., ?, ABU DHABI, ?; March 13, 2001

A: Pachyrhinosaurus was about 18 to 23 feet (5.5 to 7 m) long.



Q: How can you find fossils/
from A.W., glendale, Az, usa; March 13, 2001

A: There is no short and easy answer to this questions. Sedimentary rocks are the best types of rock in which to look (badlands and highway cuts are good places to look).



Q: which scientist named the triceratops
from jessica, kent, ohio, usa; March 13, 2001

A: Triceratops was named by Othniel Marsh in 1889. For more information on Triceratops, click here.



Q: Are komoto dragons the biggest reptiles in the world sice human age.
from Donald S., mountain city, tn, usa; March 13, 2001

A: No, but they are the biggest living lizard. For more information on Komodo Dragons, click here.



Q: what can i see about a wooly mamouth
from dewayne, vally, alabama, united states; March 13, 2001

A: Click here for information on Woolly Mammoths.



Q: Did t- rexes hunt in packs?
from ?, ?, ?, ?; March 13, 2001

A: There is no evicence for this.



Q: What is the correct & or last dinasour period and what type of dinasors lived in this time period?
from Katie W, Wilmington, Delaware, USA; March 13, 2001

A: The last period during which the dinosaurs lived was the Cretaceous period. For dinosaurs that lived during the late Cretaceous period, click here.



Q: Where did the pentaceratops live at. Did it live in desert, swamp,land,or water and what country did it ive in
from Brittany U, jerome, Michigan, USA; March 13, 2001

A: Pentaceratops fossils have been found in the USA (in New Mexico). No dinosaurs lived primarily in water. Pentaceratops probably lived in forested areas. For more information on Pentaceratops, click here.



Q: Why was Willo's heart different than other simple retile's?
from Rabi, Budapest, ?, Hungary; March 12, 2001

A: Most reptiles have a three-chambered heart. The dinosaur nicknamed Willo (a Thescelosaurus) had a four-chambered heart with a single systemic aorta (this is like the heart of birds and mammals, who are warm-blooded).



Q: How Do Reptiles Stay Warm????
from i dont know, ?, ?, ?; March 12, 2001

A: Cold blooded animals (poikilotherms) don't stay warm; their temperature depends on the temperature of their environment. For example, many reptiles sun themselves in the morning to warm up. (Note: In the cladistic definition of reptiles, cold-bloodedness is not a characteristic of all reptiles.)



Q: Can please sort me a chart showing me the difference between a lizard hipped dinosaurs and bird hipped dinosaur?Please list them
from Qunasha K., Springlake, North Carolina, United States; March 12, 2001

A: Click here.



Q: What type of areas do Dinasours live
from KHALID.P, ?, ?, Trinidad; March 12, 2001

A: Dinosaurs lived on all of the continents and in a variety of environments, including dry and wet areas, and hot and cold places.



Q: What color is the Stegosarus's skin usally
from chilliJ, None, None, None; March 12, 2001

A: No one knows.



Q: What is the size of a T-Rex footprint? I am planning an activity of comparing footprints for kindergarten children. Thanks
from jeanne f, Burr Ridge, Il, usa; March 12, 2001

A: T. rex's footprint was 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).



Q: wath kind of dinosars did the T Rex eat
from ?, ?, ?, ?; March 12, 2001

A: T. rex ate large plant-eaters like Triceratops.



Q: How tall is a brachiasaurus?
from Kolby M, Fort Smith, Arkansas, USA; March 12, 2001

A: Brachiosaurus averaged about 40-50 feet (12-16 m) tall.



Q: How do people know that some dinosaurs only ate vegatables and some only ate meat I mean would if they all ate meat and vegatables but only ate a little bit of either one
from Ruben H., Harlem, M.T., U.S.A.; March 12, 2001

A: Mostly by looking at the mouth and teeth. Animals with a small mouth and flat (or other non-sharp) teeth cannot easily catch or eat animals (think of a sheep, for example). Animals with knife-like teeth have them for a reason - catching, killing, and eating animals (think of a tiger, for example). Some dinosaurs, like Ornithomimus and Oviraptor, probably did eat both.



Q: Why was the Tyrannousaurs Rex named King of the Tyrant lizard
from ?, ?, ?, ?; March 12, 2001

A: Because when T. rex was found, it was the biggest meat-eating dinosaur.



Q: What exactly is the difference between mammoths and mastodons? They appear to be very similar in pictures.
from Emily S., Cedar Rapids, IA, US; March 11, 2001

A: They were similar, but 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: wHAT FOOD DO TRICERTOPS EAT
from Laura S, ASdelaide, SA, aUSTRALIA; March 11, 2001

A: Triceratops probably ate cycads, palms, and other low-lying plants.



Q: I have 3 mamoth teeth one is smaller gray and polished looking. The other two are big and white and seem to be more chalky. What I was wondering is what the approximate value of these teeth would be. Thanks for your time
from chris u, manor, texas, us; March 11, 2001

A: I have no idea.



Q: hi thank you guys so much for this web page. it is the best i have seen so far. i got most of my information from here, but i have a few more question. my little sister is doing a project on Styracosaurs and all she needs now is what the name means and and how they got food. thank you so much for your help. can you please e-mail me samantha0523@hotmail.com
from samantha h, dunkirk, md, usa; March 11, 2001

A: Styracosaurus means "Spiked lizard." They ate low-lying food and used their beak to get the leaves. For more information on Styracosaurus, click here.



Q: What causes background extinctions?
from christopher l., brocport, ny, u s of a; March 11, 2001

A: There are many different factors that can cause a species to go extinct when there is no mass extinction. Some of the factors include competition from other organisms, a food source that goes extinct (or is scarce), a slight climate change, droughts, floods (other small changes in the organism's habitat), volcanic activity, disease, etc. Most extinctions are background extinctions.



Q: What causes background extinctions?
from christopher l., brocport, ny, u s of a; March 11, 2001

A: ANSWER



Q: What can you tell me about the meteor theory in the exctinction of dinosaurs?
from Nasha C, Redmond, Washington, United States; March 10, 2001

A: Click here.



Q: Did the Permian Period last 31 years?
from Kellie, ?, NJ, USA; March 10, 2001

A: The Permian period lasted from 280 to 248 million years ago - a time span lasting 38 million years.



Q: Dear Enchanted Learning, I was wondering if you knew how much Amhicoelias weighed. I am very curious about Amphicoelias. Thankyou from Matthew
from Matthew L, Philadelphia, PA, USA; March 9, 2001

A: No, I don't. I've seen estimates that Amphicoelias fragillimus weighed roughly 10 to 150 tonnes, but since only a few bones have found (and the largest has mysteriously disappeared), so take those figures with a great deal of skepticism.



Q: Is it really true that Amphicoelias ranged from 65 to 170 feet?Did it weigh between 100-150 tons?Then,why is'nt there information about it?? What is the height and weight and lenght of A.altus?
from L.Manasvi, Hyderabad, Andhra Pradesh, India; March 9, 2001

A: Too few fossils have been found to make believable estimates. Read the entry on Amphicoelias in the dinosaur dictionary to see why.



Q: I want to know, if there were any dinosaurs discovered in my home state of New Jersey, and if so, by who?
from Renata L., North Bergen, New Jersey, USA; March 9, 2001

A: Yes, many early, important dinosaurs discoveries were made in New Jersey. For information on these early discoveries, click here. For a list of dinosaurs found in New Jersey (and the other states), click here.



Q: What was the first flying dinosaur to be discovered? and by who?
from Renata L., North Bergen, New Jersey, USA; March 9, 2001

A: The first pterosaur (flying reptile) was found in 1784 in Solnhofen limestone (in Bavaria, Germany) by an Italian naturalist named Cosmo Alessandro Collini. It was first thought to be a marine animal - it was later determined to be a flying reptile and was named "pterodactyle" (by Georges Cuvier in 1809).



Q: can you show a real life picture of a styracosaurus
from kai d, framingham, ma., u.s.a; March 9, 2001

A: There are no real life pictures of the dinosaurs. For a picture of fossilized Stegosaurus bones, click here.



Q: what does comparing fossils to present-day living things do for scientist and students?
from angela r, ?, ?, ?; March 9, 2001

A: Comparing fossils to relatively similar modern-day animals can help you determine things like skeletal structure (how do the bones fit together), musculature (compare where the muscles attach to the bones of modern-day animals to see what the musculature of extinct one would have been like), mode of locomotion (how would a similar modern-day animal move with that type of skeletal structure), speed (given an animal of a particular size, leg length, stride, and mass - how fast it can run today is probably similar to that of its prehistoric counterpart), and just about every other quantity or quality you would like to find out about.



Q: how did dinosuars get there names and why? were there any dinosuars in ireland or the u.k?
from niall m, ballinasloe, roscommon, ireland; March 9, 2001

A: Click here for infor on how dinosaurs are named. Many dinosaurs have been found in the UK (I haven't heard of any from Ireland, however). For those discoveries (and other European dinosaurs), click here.



Q: where could i get more info on where dinosuars names came from?
from niall m, taughmaconnell, ireland, ireland; March 9, 2001

Q: How did the dinosaurs get their names?
from Grant B., Sulphur, Oklahoma, United States; March 9, 2001

A: Click here.



Q: why didn't the dinosaurs live?
from dominic a, rutland, vt, usa; March 8, 2001

A: They couldn't adapt to the changes (in climate, vegetation, etc.) that occurred around 65 million years ago.



Q: Were do dinosaurs live?
from Deepa Y., Burnaby, B.C, Canada; March 8, 2001

A: Dinosaurs lived on all of the continents. For a listing of dinosaurs by continent, click here.



Q: Could you tell me if dinosaurs have a relation to birds?
from Tearched S., chicago, Illinios, United States; March 8, 2001

A: Yes, the birds are probably descendants of the dinosaurs. For more information, click here.



Q: I am writing a story about a plesiosaur living in the Cretaceous Period in Earth's history. Can you tell me anything about the diet of the creature? Did it have any predators itself? Were there any major events (besides the mass extinction) that affected its life?
from Michael M., Frostburg, Maryland, USA; March 7, 2001

A: There were lots of different plesiosaurs (all carnivores) who ate different animals and had different predators. For information on Plesiosaurs, click here.



Q: When did the Allosaurous Live, what period?
from Karilyn B., Huntingdon, P.A., U.S.A; March 7, 2001

A: Click here.



Q: When did Jack Horner discover the maiasaur dinosaurs?
from olivia g., rochelle park, nj, u.s.; March 7, 2001

A: Horner did not discover Maiasaura (but he did name the genus and helped in the dig). Laurie Trexler found Maiasaura and Marion Brandvold found the fossilized eggs. Unfortunately, the people who find important fossils are rarely given the credit they're due.



Q: Where did the Brontosaurus live?
from Cara P, Elkhart, Indiana, U.S.A.; March 7, 2001

A: Brontosaurus (now called Apatosaurus) fossils have been found in Colorado, Oklahoma, Utah, and Wyoming, in the USA.



Q: What is the order and sub-order of Quetzalcoatlus?
from Leo, Orlando, Florida, U.S.A; March 7, 2001

A: I've added it to the page on Quetzalcoatlus.



Q: how long is a triceratops ?
from devin p., jamestown, ny, usa; March 7, 2001

A: Click here for information on Triceratops.



Q: what was the tallest dino ever. How big was it,what did it eat
from James R, columbia station, Ohio, united states; March 7, 2001

A: The tallest dinosaurs were the Brachiosaurids (like Brachiosaurus), who were plant-eaters (they probably ate leaves from the top of trees) who were up to about 50 feet tall (or even taller).



Q: what plated dinasour has the brian the size of a walnut
from ?, ?, ?, ?; March 7, 2001

A: Stegosaurus.



Q: What did Labyrnthodonts eat?
from Hannah M, centerville, Ohio, USA; March 7, 2001

A: This was a rather diverse group of early amphibians that were carnivores (meat eaters) who ate different types of animals, from marine life (like fish and mollusks) to land animals (like other labyrinthodonts).



Q: How do you explain rebulding a dinosaur
from Jake G, Anglsey, Britan, Wales; March 7, 2001

A: Click here.



Q: whi were the meat eaters carnivors and plaint eaters called herbivors
from ?, ?, ?, ?; March 7, 2001

A: The word carnivore means "flesh eater" and herbivore means "plant eater" in Greek.



Q: how long does it take for a dinosaur to turn into a fossil?please i need an awnser by tommorrow?o.k. i hope you understand i need it as soon as possibleplease i will need it soon
from Brian.R, boston, Ma, U.S.A.; March 7, 2001

A: It can take millions of years for the original tissues in a bone to be replaced by minerals (but exactly how long this fossilization process can take in ideal conditions is unknown).



Q: I wanted to know for my class, if any other dinosaurs besides the oviraptor ate plants and meat?
from erica, brooklyn, n.y., usa; March 6, 2001

A: There were probably many others (but many more carnnivores and many, many more herbivores). Ornithomimus was likely an omnivore. There are some paleontologists who think that Massospondylus (also other heterodonts) and possibly the protoceratopsians may have been omnivores (but there is some debate about this).



Q: WHEN DID THE TROODON DIE OUT?
from Herbird J Bird, Tampa, Florida, USA; March 6, 2001

A: Troodon lived until about 70 million years ago.



Q: why are dinosaurs brains so small?
from tyler, ardsley, pa, usa; March 6, 2001

A: They were apparently big enough to enable the dinosaurs to survive for millions of years.



Q: did dinosaurs communicate with each other? if so, how ?
from ?, ?, ?, ?; March 6, 2001

A: Probably, but nothing is known about this with any certainty.



Q: what does the name brontosauros mean?
from tee c, ?, ?, ?; March 6, 2001

A: Brontosaurus means "thunder lizard."



Q: How much could the largest plant eater eat in a day?
from AJ D., Tifton, GA, USA; March 6, 2001

A: The answer depends on their metabolism (which isn't known). If they were cold-blooded, they would need much less food than if they were warm-blooded (endothermic). I've seen a wide range of estimates, including: a 15 ton sauropod needing about 200 kg each day and a 50 ton sauropod needing about 50-100 kg of food each day.



Q: How long did it take for the dinosaurs to die after the asteroid impact?
from Jeremy B, Tifton, GA, USA; March 6, 2001

A: This isn't known with any certainty, but it must have taken quite a while for the effects of the impact to finish its course - perhaps on the order of a million years (but this is just a guess).



Q: How long the did the dinosaurs live?
from Amanda E, Tifton, GA, USA; March 6, 2001

A: They lived from about 230 million years ago until 65 million years ago (for a total of about 165 million years).



Q: We have benn surfig your site and we cant find out what the land was like in the jurassic period??????
from Dustin F & casey S, Birmingham, MI, UsA; March 6, 2001

A: I'm not sure what you want. The land varied as it does today. Some areas were swampy, some were mountainous, some were dry, etc. If you want to know about the position of the continents, click here.



Q: What was the dinosaur population at it's peak?
from Rene C, Tifton, GA, USA; March 6, 2001

A: No one knows. The number of species (at a given time) isn't even known.



Q: What type of food do triceratops eat?
from Chuck H., Indianapolis, Indiana, United States of America; March 6, 2001

A: Triceratops was a plant eater that probably ate cycads, palms, and other low-lying plants. For more information on Triceratops, click here.



Q: How do you know were a Dinosaur fossil is?
from AlexH., Houston, Texas, U.S.A.; March 6, 2001

A: You don't know in advance, you have to search (usually in sedimentary rock) to find them.



Q: Why wasn't the Teradactile a dinosaur?
from Javier P, Tifton, GA, USA; March 6, 2001

A: One major difference was that pterodactyls (and other pterosaurs) had a slightly different (more sprawling) leg structure than the dinosaurs.



Q: Did dinosaurs have ears?
from Trevor, ?, ?, ?; March 5, 2001

A: Yes, but they were probably simple holes in the side of the head; they did not have external lobes like we do.



Q: Where can I find information on the Brontosuarus dinosaurs, or the Tricerotops?
from Nicole, lkj;lkj, asdfsaf, adasfasf; March 5, 2001

A: Brontosaurus is now called Apatosaurus - for information on Brontosaurus/Apatosaurus, click here. For info on Triceratops, click here.



Q: How long apart did the dinosaurs live before people came along?
from Josh S, Tifton, GA, USA; March 5, 2001

A: Dinosaurs died out 65 million years ago. Very primitive humans (like Homo habilis) evolved roughly 2.2 to 1.6 million years ago.Homo sapiens evolved about 400,000 to 200,000 years ago.



Q: How much meat did T.Rex eat in a day?
from Jaimie V, Tifton, GA, USA; March 5, 2001

A: That isn't known - the amount would depend on T. rex's metabolism. If T. rex was cold-blooded, it would need much less food than if it was warm-blooded. For more information on T. rex, click here.



Q: This is our 5th time trying to get a answer. What was the surface like in the jurassic period??? Please respond this is for a science project!!
from Dustin F and Casey S, Birmingham, MI, USA; March 5, 2001

A: Wouldn't it be easier just to look in the section labeled Jurassic than to write me 5 times? That's why I have our search engine listed above.



Q: Who discovered the first dinosaur?
from ?, ?, ?, ?; March 5, 2001

A: Click here for early dinosaur discoveries.



Q: where did the names come from and why?(of dinosuars)
from niall m, ballinasloe, roscommon, ireland; March 5, 2001

A: Click here.



Q: What are the 2 main groups of dionsaurs? (based on hip structure)
from Vanessa B., Teec Nos Pos, Arizona, United States; March 5, 2001

A: Ornithischians (bird-hipped dinosaurs) and saurischians (lizrd hipped dinosaurs)



Q: What is the faviorte dino that begins with "S"
from ?, ?, ?, ?; March 5, 2001

A: Probably Stegosaurus.



Q: what is the heaviest,fastest, smartest, tallest, most stupid dinosaurs
from s.h., paw., ri, usa; March 5, 2001

A: Click here for a page of dinosaur extremes.



Q: Where did Stegosaurus live?
from Austin, Ingleside, Texas, USA; March 5, 2001

A: Stegosaurus fossils have been found in western North America (Utah, Wyoming, and Dinosaur Ridge, Colorado), western Europe, southern India, China, and southern Africa. For more information on Stegosaurus, click here,



Q: were there any dino's that lived in Michigan?
from Rosie G, Pinckney, MI, USA; March 4, 2001

A: None have been found.



Q: 1) Where can I find information on the Yandusaurus? 2) Where can I find information on the Deltadromeus?
from russell p, seattle, wa, usa; March 4, 2001

A: For Yandusaurus, click here. For Deltadromeus, click here.



Q: what was the spinosaurs defense?
from Jake P., hendersonville, north carolina, U.S.; March 3, 2001

A: Spinosaurus had long, sharp teeth and claws.



Q: Can you tell me anything about the Megladon?
from bn, brandon, ms, USA; March 4, 2001

A: Click here.



Q: If everything was distroyed in the Asteriod theory than how are there tings still living today??
from Jessie S., North Caldwell, New Jersey, USA; March 4, 2001

A: Not everything was destroyed (except in the vicinity of the impact), but a large asteroid impact could affect the climate of the entire world as dust and debris entered the atmosphere, partly blocking the sun.



Q: My nephew e-mails me trivia questions and I can not find a definate answer to his question. Question: What was the very first dinosaur fossil ever found and what part of the skeleton was it from and from what dinosaur? I have until March 9th to get the answer to him.
from Kathy S., Naples, Florida, ?; March 4, 2001

A: For a page on the earliest dinosaur fossils, click here.



Q: does the allosaurus lay eggs?
from ac, kingwood, texas, usa; March 4, 2001

A: Probably.



Q: what period did pangaea exist
from mike w, pawtucket, R.I, ?; February 28, 2001

A: Pangaea existed from the Permian through Jurassic periods. For more information on Pangaea, click here.



Q: when did dinosours live?
from Amanda B, pasadena, CA, USA; March 4, 2001

A: From 230 million to 65 million years ago.



Q: Can you write out (in numbers) 75 million?
from russell p, seattle, wa, usa; March 4, 2001

A: 75,000,000



Q: what do hypsilophodon dinosaurs eat?how many babies does it have a year?what does it make out of it's nest?how does it survive? what are other interesting facts?
from tina i., new york, united, rochester; March 3, 2001

A: Hypsilophodon was a plant-eater. No one knowshow many eggs it laid or even if it made a nest. For more information on Hypsilophodon, click here.



Q: What is the sound that a Stegosaurus makes? if you can't get it to me can you please send me the name of the site where i can find it? Thank you for your time.
from Eric W., West Orange, New Jersy, United States of America; March 3, 2001

A: See this web page: http://www.discovery.com/exp/fossilzone/sounds/dinosounds.html (thank to Brad of Woodville, ON, Canada).



Q: Do you have any information and pictures on the Plesiosaurus?
from Dee S., Dallas, Texas, USA; March 3, 2001

A: Click here.



Q: Where can I get infomation on Triceretops?
from T Ngwane, Durban, Kwa-Zulu-Natal, South Africa; March 3, 2001

A: Click here.



Q: I'm doing a report on these Questions, so can you answer these for me? I need them fast. 1)What makes a dionsaur a dinosaur? 2)What are the two main groups of dionsaurs? 3)When did dinosaurs first appear?
from Aretta B., Teec Nos Pos, Arizona, North America; March 2, 2001

A: !. Click here. 2. Ornithischians and saurischians. 3. About 230 million years ago, during the Triassic period.



Q: what dino's lived in california?
from b.c, la, ca, usa; March 2, 2001

A: None that are known. For a list of dinosaurs state by state, click here.



Q: who first discovered dinosaurs bones
from seanp, woodstock, ont, canada; March 2, 2001

A: For a page on early dinosuar discoveries, click here.



Q: What period is Trex live in?
from Janina T, SJ, CA, U S A; March 2, 2001

A: T. rex lived during the late Cretaceous period.



Q: Do all dinosours have tails?
from Reese B., Longview, Texas, The United States; March 1, 2001

A: Yes.



Q: Did dinosaurs legs sprawl out to the side or extend straight down under the body?
from Ashley B., Los ANGELES, CAlforrnia, ?; March 1, 2001

A: They went straight down under the body.



Q: what are dinosuar coprolites>'
from kevin h, katy, tx, usa; March 1, 2001

A: Coprolites are fossilized dung.



Q: What kind of habitat that T.Rex lived in?
from Passanida Yukate, Hawthorn, Victoria, Australia; March 1, 2001

A: T. rex probably lived in forests, where its prey (plant-eating dinosaurs) could find plenty of food. T. rex fossils have been found in western North America and Mongolia.



Q: The names of Australian dinosaaurs
from ?, ?, ?, ?; March 1, 2001

A: Click here for Australian dinosaurs.



Q: Do dinosaurs communicate with each other?
from Jessie R., Conway, Arkansas, United States; March 1, 2001

A: They probably did.



Q: What is the estimated life span of the huge sauropod dinosaur?
from Britney L, peachtree, georgia, U.S; March 1, 2001

A: It is estimated the huge sauropod dinosaurs had a life span of about 100 years or so.



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