The ________ refers to a huge expansion in biodiversity 530 million years ago, which also marks the first appearance of invertebrate organisms.
A)Great Ordovician Biodiversification Event
B)Cambrian Explosion
C)Rise of Reptiles
D)Great Dying

Question

Quizplus · Accepted Answer

The Cambrian Explosion, which occurred 530 million years ago, marks the first appearance of invertebrate organisms and a huge increase in biodiversity. The other answer choices are not related to this event.

The ________ Refers to a Huge Expansion in Biodiversity 530