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2 May, 17:51

How might cyanobacteria have contributed to the evolution of animals?

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  1. 2 May, 21:04
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    Some are able to convert atmospheric nitrogen into a form usable for plants and animals. During Earth history, cyanobacteria have raised atmospheric oxygen levels starting approximately 2.45 - 2.22 billion years ago and provided the basis for the evolution of aerobic respiration [1-7].

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