Question

.
Which of the following was a major milestone that allowed for greater diversity of life during the Paleozoic Era?
A.

Many marine animals became extinct.

B.

Reptiles became more diverse.

C.

Animals moved from the sea to the land.

D.

Photosynthetic prokaryotes produced more oxygen.

Answer 1

I SAY C

Answer 2

Yes its C

Answer 3

Arthropods were the first

Answer 4

alongwith some lung fishes