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Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere. a. True b. False

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere. a. True b. False
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Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere.

a. True
b. False

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User Steve Wilhelm
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1 Answer

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This is false. Anaerobic photoautotrophs were NOT the first organisms to release oxygen into the early atmosphere, but cyanobacteria (aka pondscum) is believed to have been the first one to do this.
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User Gaurav Gahlot
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