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Phoenix [80]
3 years ago
13

How long were simple microsocpic organisms the only life forms on earth?

Biology
1 answer:
charle [14.2K]3 years ago
8 0
The simple microscopic organisms the only life forms on earth was 560 million years.
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2 years ago
What component of a skin cell is responsible for absorbing ultraviolet light?
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Explain how a single fertilized egg can develop into a multicellular organism.
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where are these examples yall keep mentioning.

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