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An asteroid impact
Mesozoic
Dinosaurs
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.Most people believe it was at the end of the Cretaceous however the truth is that it ended in the Tertiary PERIOD not era so be careful that was why the event was called the K-T event because c had been taken in a mass extinction in the oceans.All non avian dinosaurs lived in the Mesozoic Era (251 - 65Ma). The mass extinction 65 million years ago of all non avian dinosaurs along with many other types of animals and plants marks the boundary between the Mesozoic and the Cenozoic Eras.
The first dinosaurs lived in the beginning of the Mesozoic Era (or the Age of Reptiles). Birds were amazingly discovered to be dinosaurs so dinosaurs were also alive in the Cenozoic (that's our time-the Age of Mammals) to today.
Dinosaurs and marine reptiles.
Dinosaurs
Mesozoic and Paleozoic
The first dinosaurs evolved in the Mesozoic. At the end of the Mesozoic, all non avian dinosaurs became extinct. Therefor, all non avian dinosaurs, and some avian dinosaurs (birds), lived in the Mesozoic.
The first dinosaurs evolved in the Mesozoic. At the end of the Mesozoic, all non avian dinosaurs became extinct. Therefor, all non avian dinosaurs, and some avian dinosaurs (birds), lived in the Mesozoic.
The dinosaurs lived in the Mesozoic Era, which includes the Triassic, Jurassic, and Cretaceous periods. The first dinosaurs appeared in the late Triassic and went extinct at the end of the Cretaceous.
100 types of dinosaurs lived during the mesozoic era.
There were major asteroid impacts. #fuckschool #imheretohelp
An asteroid impact
They were dominant during the mesozoic era, which was made up of the Triassic, Jurassic, and Cretaceous periods.
The Dinosaurs Did!
Mesozoic Era