they are not sure how they died out
Because they are alive today, birds are dinosaurs. And because of fossils.
so they can know how there body and bones were
A scientist who studies dinosaurs is called a paleontologist.
Palentologist lol I know its spelled wrong
Palaeontologists study fossils and dinosaurs.
Mainly archeologists and biologists.
Paleontologist.
Dinosaurs have long been extinct, making it impossible for scientists to work with living dinosaurs.
He didnt know anything after
yes
A cave man and the scientist
Yes. Most scientist's actually believe that the tortoises were around before the dinosaurs.