Question

which was the first living organism on Earth​

Answer 1

Answer:

The first organisms. 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:

For me the first living organism must be micro oraganism or the plants.