Which happened during the Paleozoic era? A. Sponges and invertebrates dominated the seas. B. Bony fish evolved. C. No life was present yet on earth. D. Bacteria were the dominant life-forms.

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asked Jul 28, 2017 9.5k views

1 vote

Which happened during the Paleozoic era?

A. Sponges and invertebrates dominated the seas.

B. Bony fish evolved.

C. No life was present yet on earth.

D. Bacteria were the dominant life-forms.

Biology
middle-school

WongWray asked

by WongWray

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A. Sponges and invertebrates dominated the seas.

Dadaso Zanzane answered Aug 3, 2017

by Dadaso Zanzane

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