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The History Of Dinosaurs
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Below is one of our free research papers on The History Of Dinosaurs. If the term paper below is not exactly what you're looking for, you can search our essay database for other topics.
The History of Dinosaurs
The dinosaurs were reptiles that appeared about 230 million years ago. It's believed that they had scaly skin and some ate plants and others ate meat. Scientists don't know whether or not the dinosaurs were cold blooded, but they think the smaller ones were warm blooded, and the large ones were cold-blooded. In this report you'll learn about the earliest dinosaurs, the kinds of dinosaurs, and how the dinosaurs died. There are two main groups of the earliest dinosaurs: Thesaurischian, and the ornithischian First I'll tell you about the Saurischian. The Saurischian were the first main group of dinosaurs. The Saurischian had lizard like hip joints. In this group there is the Theropoda. These weird dinosaurs were meat eaters that walked on their hind legs. Also there was the Sauropoda. The Sauropoda were the plant eating dinosaurs that walked on all four legs. The second main kind of dinosaurs were the Ornithischian, which had bird like hip joints. There is only one group belonging to this group and that is the ornithopoda. The Ornithopoda were plant-eating dinosaurs that walked on two legs. There were also the armored and horned dinosaurs, which were also plant eaters. There were many, many different kinds of dinosaurs. Some of them are the Brachiosaurus, the Stegosaurus, the Triceratops, the Tyrannosaurus, and the Zizhongosaurus. All of the dinosaurs are in one of two major groups. Plant eaters or meat eaters. Some plant eaters are the...
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