Question

Which happened during the Paleozoic era?

A.
Bacteria were the dominant life-forms.

B.
Sponges and invertebrates dominated the seas.

C.
Bony fish evolved.

D.
No life was present yet on earth.

I think it's either A or C.

Answer 1

@YoungStudier

Answer 2

One second, lol XD

Answer 3

kk c:

Answer 4

Jee-wiz, I got a variety of answers.... Most of them lean toward sea-like things though... So it's either B or C...

Answer 5

http://www.infoplease.com/ipa/A0001822.html

Answer 6

hmm, i'll go with C ;)

Answer 7

Yeah, it makes the most sense. Good luck with it lel

Answer 8

ty :D

Answer 9

You're welcome