i'll fan a medal you Which happened during the Paleozoic era?

A.
Sponges and invertebrates dominated the seas.

B.
No life was present yet on earth.

C.
Bony fish evolved.

D.
Bacteria were the dominant life-forms.
please help me

Question

i'll fan a medal you Which happened during the Paleozoic era?	
 
 A.
Sponges and invertebrates dominated the seas.
 
 B.
No life was present yet on earth.
 
 C.
Bony fish evolved.
 
 D.
Bacteria were the dominant life-forms.
 please help me

anonymous · Answer

@Alieen  can you help me

anonymous · Answer

Thank you @Alieen  for helping

anonymous · Answer

During the begining of this period was t= marked by the appearance of first shellfish and corals; sometime called the "age of marine invertebrates"

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

Based on this information what do you think the answer is?

anonymous · Answer

well i thank it is B

anonymous · Answer

The answer is A.

anonymous · Answer

dang!!! i was close Thank you for your help

anonymous · Answer

PRE-ARCHEAN EON (or HADEAN EON) is the begining of earth when there was no life on earth yet