Question

During the Cambrian explosion that began the Paleozoic era, the new many forms of life that evolved....

A.Lived on land
B.Were invertebrates that lived in the sea
C. Were vertebrates covered with scales or fur
D. Were single celled

Please Help Me!!

Answer 1

The answer is B

Step-by-step explanation:

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Answer 2

They were invertebrates that lived in the sea