Explain early autotrophs

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Oxygen was not always a common molecule in the atmosphere like it is today. Explain the relationships between early autotrophs and other organisms on this low-oxygen earth. Provide an example to support your answer.

Reference no: EM133576708

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Explain early autotrophs : Explain the relationships between early autotrophs and other organisms on this low-oxygen earth. Provide an example to support your answer.
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