Question

What were the first animals to exist in the world?

Answer 1

The first animals or things to exist in bacteria and then the bacteria formed plants and then mammals and reptiles.

Answer 2

Sea creatures and a single bacteria.

Step-by-step explanation:

When the world was created and earth formed, meteors and such brought water, a while after, a single cell of bacteria formed, reproduced, and lived off some hOt chemical soup in the ocean.