Which organism first appeared during the Cenozoic era?

A.
cyanobacteria

B.
trilobite

C.
wolf

D.
dinosaur

Question

Which organism first appeared during the Cenozoic era?
 
 
 A.
cyanobacteria
 
 B.
trilobite
 
 C.
wolf
 
 D.
dinosaur

anonymous · Answer

I'm not sure, but @MsGerrell88 might know.

nonopro · Answer

@MsGerrell88

anonymous · Answer

The Cenozoic Era is the last era of life on the planet and is also called The Age of Mammals. Look at your choices again and use what I said...

nonopro · Answer

it said its a organism

anonymous · Answer

Then what would it be?

anonymous · Answer

Mammals are organisms, just multi-celled, complex organisms. Did it say that it was a one-celled organism? Anything more specific?

nonopro · Answer

either a or b

anonymous · Answer

Yes, now decide which one makes the most sense.

nonopro · Answer

most likely a

anonymous · Answer

Trilobite is a marine animal that is very small whereas the bacteria is just that-a bacteria. Which one do you think would be the best answer?