Around the end of the Cretaceous Period.
Dinosaurs became extinct at the end of the Mesozoic Era 65 million years ago. Their extinction also marked the beginning of the Cenozoic Era.
Dinosaurs disappeared near the end of the cretaceous period.
I'm not sure what exact period, but their extinction was called the Cretaceous-Tertiary Extinction, probably because it marked the split between the Cretaceous period and the Tertiary period.
B.CAnswer:Although the majority of dinosaurs died out about 70 million years ago, the present day birds are evolved from theropods and are direct descendants of the dinosaurs. In that manner dinosaurs have not become extinct.
All dinosaurs went extinct before the tertiary period.
Dinosaurs died in the Cretaceous, Jurassic, and Triassic periods, but became extinct at the end of the Cretaceous.
dinosaurs are extinct not endangered
Dinosaurs became extinct 65 million years ago, at the end of the Cretaceous period.
around 6.5 billion years ago
Like all dinosaurs, we still do not know how this prehistoric animal became extinct. it evolved though, because it lived in the Jurassic period of the mesosoic, and did not become extinct, but it evolved
Like all dinosaurs, we still do not know how this prehistoric animal became extinct. it evolved though, because it lived in the Jurassic period of the mesosoic, and did not become extinct, but it evolved
The trilobites went extinct during the mass extinction at the end of the Permian period.
B.CAnswer:Although the majority of dinosaurs died out about 70 million years ago, the present day birds are evolved from theropods and are direct descendants of the dinosaurs. In that manner dinosaurs have not become extinct.
A pteranodon is a pterosaur, or a flying dinosaur. During the fall of the dinosaurs, all dinosaurs became extinct, including the pterosaurs.
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.
Because theyre basturd
no, some rhinos have become extinct, like the Vietnamese java rhino.........and also dinosaurs have become extinct, by the meteorites
The Dinosaurs.
yes, yes they did
DINOSAURS.