Question

which is first living beings has been formed in ocean?​

Answer 1

Answer:

I think fishes.

hope it may help you.

please mark me as brainlist plz and thank me plz don't forget okkkkk haaa.

Answer 2

Answer:

Answer:Life consisted only of cyanobacteria, which trapped sediments in intertidal zones to form mound-like structures (stromatolites). Cells with a nucleus (eukaryotes) evolved about two billion years ago, after oxygen had accumulated in the ocean.

simply the answer is bacteria