During Which of These Eras Were Dinosaurs Dominant

Question

During which of these eras were dinosaurs dominant?
A) Paleozoic
B) Precambrian
C) Mesozoic
D) Cenozoic

Accepted Answer

The Mesozoic era, also known as the Age of Dinosaurs, lasted from about 252 to 66 million years ago. This was the time when dinosaurs were dominant on Earth. The Paleozoic era happened before dinosaurs and the Cenozoic era happened after the extinction of dinosaurs. The Precambrian era happened even before the development of complex life forms.