Which happened during the Paleozoic era?

A.
No life was present yet on earth.

B.
Sponges and invertebrates dominated the seas.

C.
Bony fish evolved.

D.
Bacteria were the dominant life-forms.

Question

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

anonymous · Answer

The Paleozoic era was a time when lots of new life was developing. However, toward the end of that era, 90% of all sea life was wiped out. There was a lot of mountain building going on, and the continents were not in their current positions.

anonymous · Answer

A i think

anonymous · Answer

Noah s ark

anonymous · Answer

though i dont belive any of this is correct in my understanding in evolution it would be A

anonymous · Answer

NO THE ANSWER IS C! I TOOK ASSESSMENT IT SAID BONY FISH EVOLVED!