Which was the oldest dinosaur
The oldest known dinosaur is Eoraptor, which lived during the late Triassic period around 231 million years ago.
What do paleontologists do
Paleontologists are scientists who study fossils and use them to piece together information on the extinct species they represent.
When were dinosaur fossils first discovered
Dinosaur fossils were first discovered in England in 1821 Since then, dinosaur fossils have been found all over the world.
Are birds descended from dinosaurs
Some scientists believe that birds are descended from the small, fast-moving two-legged dinosaur called the therapod.
Did dinosaurs and humans coexist at the same time
No, dinosaurs and humans did not coexist at the same time. The last dinosaurs died out around 65 million years ago, which is much earlier than when human civilization first appeared.