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    Exam 22: Earths Evolution Through Geologic Time
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    The ________ Refers to a Huge Expansion in Biodiversity 530
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The ________ Refers to a Huge Expansion in Biodiversity 530

Question 28

Question 28

Multiple Choice

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

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