Question

Which best characterizes the Precambrian era?

A.


abundant plants and animals


B.


dinosaurs


C.


small, one-celled organisms and primitive jellyfish


D.


extensive mountain building

Answer 1

It is C

Step-by-step explanation:

Because everything's starts out small and they are the smallest in the eras because one cell turns to two cells and etc. it was the beginning of all life forms . It couldn't be dinosaurs because they were in the Mesozoic era. At the time of the Precambrian era i think it was before the Phanerozoic eon

Answer 2

the answer is dinosaurs