Question

Where did life originate on the earth?

Answer 1

Hi

Here is ur answer

It originated on sea...by cyanobacteria.

Hope it helps U

Answer 2

At the time it was widely agreed that stromatolites were oldest known lifeform on Earth which had left a record of its existence. Therefore, if life originated on Earth, this happened sometime between 4.4 billion years ago, when water vapor first liquefied, and 3.5 billion years ago.