The Cretaceous and Jurassic Periods are Part of the _____

Question

The Cretaceous and Jurassic periods are part of the _____ era.
A) Mesozoic
B) Cenozoic
C) Proterozoic
D) Archean
E) Paleozoic

Accepted Answer

The Cretaceous and Jurassic periods are part of the Mesozoic era, which began approximately 252 million years ago and ended about 66 million years ago. The other options are different geologic eras that do not include the Cretaceous and Jurassic periods.