Question

Which happened during Cenozoic era?


A.
Trilobites evolved.


B.
Shellfish evolved.


C.
Dinosaurs dominated the planet.


D.
Modern birds evolved.

Answer 1

i mean

Answer 2

What event marks the end of both the Paleozoic Era and Mesozoic Era?



A.


the appearance of birds


B.


the breakup of a supercontinent


C.


the ice age


D.


a mass extinction of plants and animals

Answer 3

lol

Answer 4

me want smartscore 60 :)

Answer 5

The Ice Age! It was the ice age that ended the two eras :}

Answer 6

OOH I love the ice age movies

Answer 7

oops not that ice age ._.

Answer 8

the right answer is D for the second question

Answer 9

ice age

Answer 10

thats for the second problem