answersLogoWhite

0

If you're talking about geological eras, they would be the

Precambrian - beginnings of life, mainly ruled by bacteria

Paleozoic - most basic body forms evolved like insects, amphibians, etc.

Mesozoic - dinosaurs

Cenozoic - humans

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

MaxineMaxine
I respect you enough to keep it real.
Chat with Maxine
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
JudyJudy
Simplicity is my specialty.
Chat with Judy

Add your answer:

Earn +20 pts
Q: What are the 4 major divisions of time?
Write your answer...
Submit
Still have questions?
magnify glass
imp