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Archaea

The first org...

Question

The first organisms on primitive earth were

A

autotrophic

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B

prokaryotic and autotrophic

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C

heterotrophic and anaerobic

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D

parasitic

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Solution

The correct option is B prokaryotic and autotrophic
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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