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Most of the animals in existence today had their origins during the: A. Mesozoic Era B. Cambrian Period C. Cretaceous Period D. Devonian Period

Most of the animals in existence today had their origins during the: A. Mesozoic Era B. Cambrian Period C. Cretaceous Period D. Devonian Period
asked 125k views
5 votes
Most of the animals in existence today had their origins during the:

A. Mesozoic Era
B. Cambrian Period
C. Cretaceous Period
D. Devonian Period

asked
User Adam Jaskiewicz
by
7.8k points

2 Answers

3 votes

Answer:

the answer is b

Explanation:

answered
User ROOTKILL
by
8.6k points
3 votes

Answer:

answer is B

Cambrian period

answered
User StephenH
by
8.4k points
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