How are cyanobacteria related to the atmosphere

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asked Sep 15, 2023 145k views

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Arnoldino · Answer 1 · 2023-09-19T09:07:58+0000

Answer:

Cyanobacteria were photosynthetic and slowly changed the earth's atmosphere from CO2 rich to O2 rich. Photosynthetic cyanobacteria evolved by 3.5 billion years ago and greatly modified earth's atmosphere.

How are cyanobacteria related to the atmosphere

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