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|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?|
A: Yes, for information on Giganotosaurus, click here.
A: The earliest-known dinosaurs lived about 230 million years ago.
Saber-tooth cats lived in grasslands, shrubby areas, and pine forests that supported the
plant-eating animals that saber-tooth cats ate.
A: Protarchaeopteryx was a turkey-sized meat-eating dinosaur. It probably ate small reptiles and insects.
The different Pteranodon species all had large head crests, but they were slightly different. For example, the long head crest of P. longiceps and P. ingens stuck out behind the head, but the head crest of P. sternbergi was more upright.
A: I've never seen any analysis of what type of evnironment Compsognathus lived in. Compsognathus lived in what is now Germany, during the late Jurassic period. It was a bit warmer that it is now.
For early Cretaceous dinosaurs, click here. For middle Cretaceous dinosaurs, click here. For late Cretaceous dinosaurs, click here.
Dinosaurs lived from about 230 million years ago until 65 million years ago (they lived for about 165 million years).
For a page on some dinosaur discoverers, click here.
A: Birds are probably the descendants of dinosaurs.
A: Yes, some theropods (meat-eating dinosaurs) like Caudipteryx and Sinosauropteryx had rudimentary feathers.
No, people did not evolve until almot 65 million years after the dinosaurs went extinct.
Huge animals eat a lot, and their eating habits can decimate the plants (or animals) in the area quickly, so they must migrate often to find sufficient supplies of food. Heat dissipation can also be a problem (for warm-blooded behemoths).
Aladar was an Iguanodon.
A: T. rex was discovered in 1902. For more information on T. rex, click here.
A: I don't know.
A: Eoraptor was a small, early, meat-eating dinosaur that had sharp teeth and claws.
A: Click here.
A: I've seen an estimate of about 150 pounds (70 kg), but this seems a bit low for an armored animal. For information on Minmi, click here. It was roughly 3 feet (1 m) tall to the top of the shoulder.
Most of the dinosaurs were plant-eaters (like Brachiosaurus and Apatosaurus), but some were meat-eaters (and yes, some of these meat-eaters, like T. rex, ate other dinosaurs). Only a few dinosaurs (like Oviraptor) was an omnivore. For a page on dinosaur diets, click here.
For a page on Carnotaurus, click here.
A: No one knows.
A: Yes, it's real - click here.
A: Click here.
A: An omnivore (like Oviraptor).
A: No one knows anything about how Velociraptor bred; no fossil Velociraptor nests (or other appropriate fossils) have been found.
Every organism has ancestors (ancestors are relatives that lived before the organism in question).
No one knows exactly what cause Brachiosaurus to die out. It died during a minor mass extinction towards the end of the Jurassic period.
For a page on Utahraptor, click here.
A: For a page on Pterodactylus, click here.
For information on Bagaceratops, click here.
For a page on the early dinosaur fossil discoveries, click here.
A: Brachiosaurus means "arm lizard."
A: For a page on Komodo dragons, click here.
It probably ate where it found and killed its prey. No one knows anything about its sleeping habits. Spinosaurus lived in what is now northern Africa. For where it lived, click here.
A: The theropods were the meat-eating dinosaurs (and they walked on two legs).
For a page on Pteranodon, click here.
A: Click here.
A: Pangaea had already begun to break up and was mostly separated.
A: That's because that information is rarely known. To know a dinosuar's habitat, you must find the dinosaur fossil among many other fossils to give you clues to the type of biome it was (finding other animals and plants can give you some information). It is thought that many dinosaurs that fossilzied were killed and swept away in mud slides or floods, and were deposited away from their native habitat. Determining their original habitat is difficult.
A: Dimetrodons probably hatched from eggs.
There was a minor mass extinction toward the
end of the Jurassic period. During this extinction, most of the stegosaurid and enormous sauropod
dinosaurs died out, as did many genera of ammonoids, marine reptiles, and bivalves. No one knows what caused this extinction.
Probably (since Cretacesou period amber has been found there), but I haven't heard of any dinosaur fossils found there.
A: Yes, if you count the birds.
A: For a page on dating fossils, click here.
A: All dinosaurs are diapsiads and have the same number of openings in the skull (but the relative sizes of the openings varies). Yes, meat-eating dinosaurs had a larger brain to body mass ratio than plant eaters.
A: There are lots of differences, including the teeth, the size of the jaw, how big the jaws can open, and the strength of the bones and muscles of the jaw. Meat-eaters generally need strong jaws that open wide and have strong, sharp teeth. Plant-eaters often have smaller mouths than meat-eaters, and have blunter teeth and weaker jaws. The eye position if also often different in meat and plant eaters. Meat eaters often had eyes located towards the fornt of the face (for binocular vision that helps in hunting down animals) and plant-eaters often had eyes located to the side (to watch for predators in a wide range).
A: For information on Brachiosaurus, click here.
A: It isn't possible now (because no dinosaur DNA is known), but it may bepossible in the future.
The pre-Cambrian is now broken into the Proterozoic, Archaeozoic, and Hadean Eons. During the Proterozoic Eon (2.5 billion years ago to 540 mya), the first multicellular life, like colonial algae and sponges (and other early life) appeared.
A: No, but we do have an English-Spanish picture dictionary at: /Spanish/ .
Yes, all the dinosaurs were primarily land dwellers. Dinosuars were reptiles.
There is nothing known about this.
It varied tremendously.
Fossils have been found all over the world. There are a few great places for finding fossils; they are called Lagerstatten.
A: For a page on mammoths, click here.
A: Yes, all organic matter (especially plants, since they constitute most of the mass of organic matter) contribute to the formation of fossil fuels like oil. In a process that takes millions of years, the organic material is covered by sediment, then heat and pressure change the material into pools of oil.
It means that that group of organisms had no descendents (the entire lineage died out).
Probably not. It's easier and a lot safer to prey upon relatively defenseless plant-eaters.
A: Click here.
For dinosaurs from the early Jurassic period, click here. For the middle Jurassic period, click here. For the late Jurassic period, click here.
Yes, Hypsibema, Lophorhothon, and Zatomus have been found in North Carolina.
A: For information on Altispinax, click here.
A: About 1,000 genera have been named and many more species.
A: Triceratops was a bird-hipped (ornithischian) dinosaur.
About 200 - no complete skeletons of either have been found.
A: For information on Astrodon, click here.
A: Triceratops had three horns.
A: Coelophysis had sharp teeth and clawed limbs.
A: For a page on Minmi, click here.
That is a very complicated issue and is hotly in debate lately - you'd need to see a lawyer who is familiar with this rather obscure issue. You need a permit to take fossils from public lands. On private land, you must certainly contact the owner (and preferably have a written contract with the owner). The recent case of the T. rex fossil Sue is a good example of what not to do - it was in court for years to determine ownership.
Loss of habitat, over hunting, and pesticide use are three (of many) causes of bird extinctions.
A: I don't about dominating, but they lived from about 230 million yeasrs ago until 65 million years ago.
One hit off the coast of the Yucatan Peninsula, Mexico, another hit in the Arabian Ocean off the coast of India. For more information, click here.
A: For information on Carcharodon megalodon, click here.
A: Brachiosaurus' neck was up to about 30 feet (10 m) long.
A: Ankylosaurus was bird-hipped (ornithischian).
A: Darwin was a biologist whose major contribution was the Theory of Evolution. His remarkable work was done primarily from observing living species that had changed over time after being isolated from others of its species in a new environment.
A: Pterodactylus' genus is Pterodactylus. (Like all pteranodons, dinosaurs, and most prehistoric creatures, it is known by its scientific name.) Pterodactylus was named by Cuvier in 1809. For more information on Pterodactylus, click here.
A: Click here.
A: The long-necked dinosaurs, like Brachiosaurus, Apatosaurus, and Diplodocus, are called sauropods.
The first Stegosaurus fossil was found in 1876 by M. P. Felch in Colorado, USA. For more information on Stegosaurus, click here.
A: Procompsognathus was an early meat-eating dinosaur. For more information on Procompsognathus, click here.
A: For information on T. rex, click here.
Barosaurus was a long necked, long tailed plant-eating dinosaur that lived during the Jurassic period, about 156 to 145 million years ago. For more information on Barosaurus, click here.
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