Question

Which happened during the Paleozoic era?

A.


Bacteria were the dominant life-forms.


B.


No life was present yet on earth.


C.
Bony fish evolved.


D.
Sponges and invertebrates dominated the seas.

Answer 1

Hey you! Here's your answer:

I believe the correct answer is: D. Sponges and intervebrates dominated the seas.

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