When and in what habitat did animals likely originate, and when did today's major

groups of animals arise?

Question

Biology

Casey Villa

6 February, 20:51

When and in what habitat did animals likely originate, and when did today's major

groups of animals arise?

+3

Answers (2)

Know the Answer?

Janessa Estes · Answer 1

Answer: To our current understanding, animals first appeared in the Precambrian Era, during what is called the Cambrian Explosion, and they are believed to have arisen in shallow water environments, today's major groups of animals originated about 542 million years ago

Sky · Answer 2

I believe from the underground.

When and in what habitat did animals likely originate, and when did today's majorgroups of animals arise?

When and in what habitat did animals likely originate, and when did today's major

groups of animals arise?