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The first organisms on primitive earth were
The first organisms on primitive earth were
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Solution
The correct option is A Intraspecific competition
Millions of years ago, life originated as prokaryotic organisms from organic compounds. Autotrophs like blue-green algae helped change the earth's atmosphere to an oxidising type.
Millions of years ago, life originated as prokaryotic organisms from organic compounds. Autotrophs like blue-green algae helped change the earth's atmosphere to an oxidising type.
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