Multiple Choice
During the _______ period, the biota recovered after a major mass extinction, the species richness of invertebrate groups increased, the first turtles and frogs appeared, and a large radiation of reptiles began.
A) Permian
B) Triassic
C) Jurassic
D) Cretaceous
E) Cambrian
Correct Answer:

Verified
Correct Answer:
Verified
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