Question

What is the first animal that was on the earth and how long have they been here.100 POINT

Answer 1

Answer:

Sponges were among the earliest animals. While chemical compounds from sponges are preserved in rocks as old as 700 million years, molecular evidence points to sponges developing even earlier.

Answer 2

It depends on what you mean by animal. If you mean with a vertebrae…it was jawless fish about 500 million years ago. If you mean any animal, it would be the sponges about 700 million years ago.
Have a nice day.