Question

which was the first microorganism to live in earth?

Answer 1

Answer:

Bacteria have been the very first organisms to live on Earth. They made their appearance 3 billion years ago in the waters of the first oceans. At first, there were only anaerobic heterotrophic bacteria (the primordial atmosphere was virtually oxygen-free).

Answer 2

Answer:

algae is the first microorganisms to live on the earth