Dinosaur Science

  Dinosaurs   There are a lot of questions about dinosaurs. When did the dinosaurs first appear on Earth? Where did dinosaurs live? Why did the dinosaurs die out? Were there any swimming dinosaurs? Why did the dinosaurs die out? Were dinosaurs social animals? What colors were dinosaurs? and... The oldest dinosaur types are known from rocks in Argentina and Brazil and are about 230 million years old. The most primitive of these types, Eoraptor, was a small meat-eating dinosaur. Because Eoraptor's skeleton shows some advanced skeletal features, older dinosaurs may yet be found. Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living o...

ادامه مطلب