Question

Fishes were first abundant during the ...
A. Precambrian
B. Paleozoic
C. Mesozoic
D. Cenozoic

Answer 1

The Devonian Era is listed here. Which one do you think it might be?

Answer 2

i thought i was a but it was wrong

Answer 3

The Devonian Era was literally, "Age of Fish". We can cross out A.

Answer 4

Mesozoic and Cenozoic span 252.2 - 66 million years ago and 66 - 0 million years ago.

Answer 5

Paleozoic life was the most abundant, and dramatic.

Answer 6

is it d?

Answer 7

No, reread my last sentence.

If Paleozoic was the most abundant era, which era was ocean life the most abundant.

Answer 8

ohhh

Answer 9

thx a lot

Answer 10

Np