Quick answer: The exact path from nonliving chemistry to the first life is not yet known. Researchers study how organic molecules, membranes, and self-copying systems could have formed on early Earth.
What to know
Hypotheses include processes near hydrothermal environments, shallow pools, and other chemically active settings. None has been established as the complete historical sequence.
Practical context
Laboratory experiments can test plausible chemical steps but cannot directly replay Earth’s entire early history.
Frequently asked question
Did life start in the ocean?
Water was likely important, but scientists are still investigating which environment or sequence of environments supported the origin of life.
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