You have essentially two possibilities, life started on Earth abiogenesis ((Broken Link Removed)
or it arrived here from elsewhere (Panspermia see (Broken Link Removed)
If you google abiogenesis or panspermia you will get more information. The above two wiki pages will get you started.
Which Scientific hypothesis for the Origin of Life on Earth is most widely accepted.?
What evidence is there for the hypothesis?
Need help. I'm just not how to go with the question.
1 answer