The last dinosaurs became extinct about 65 million years ago at the end of the Cretaceous period.
The dimetrodon was a large, mammal-like reptile that lived during the Permian period, 260-280 million years ago. but it went extinct in the Permian Mass Extinction in 250 million Years ago.
About 65 million years ago.
Dinosaurs died in the Cretaceous, Jurassic, and Triassic periods, but became extinct at the end of the Cretaceous.
Dinosaurs!
No, not a meteor shower. The dinosaurs became extinct after a meteor struck the earth which blocked out the sun and killed much of the vegetataion that the dinosaurs used for food.
The first dinosaurs appeared on earth about 250 million years ago just after the Permian-Triassic mass extinction. The Triassic dinosaurs weren't too fierce and they were mainly neutrally defensive, which means they don't attack unless provoked.
Dinosaurs became extinct 65 million years ago, at the end of the Cretaceous period.
The correct spelling is extinct.
the dinosaurs became extinct because the was kill of there family
The last dinosaurs became extinct 65 million years ago.
At some point, there was a common ancestor that diverged into the line the became dinosaurs and the one that became humans, so yes, we are related to dinosaurs (and everything else that's alive on this planet).
Rex the Runt How Dinosaurs Became Extinct - 1994 is rated/received certificates of: Spain:T
No. If you count birds as dinosaurs, they still exist. If you don't, dinosaurs became extinct at the end of the Cretaceous, not the beginning.
no
I think they became extinct at the end of the Mesozoic era
Non avian dinosaurs became extinct 65.5 million years ago, at the end of the Cretaceous. However, birds are considered dinosaurs. Because birds still exist, dinosaurs are not completely extinct.
most of the dinosaurs lived everywhere but when the continents split they became extintdinosaur lover!!!!!!!!.......... :~) novanet
Dinosaurs became extinct millions of years ago. Dinosaurs died off long before humans came into existence.
yes they are going extingt tomorro they have the last one in a fish tank but its dying