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ehidna [41]
3 years ago
5

How are cyanobacteria related to the increases in oxygen levels of the atmosphere?

Biology
2 answers:
DIA [1.3K]3 years ago
6 0
Yes, Cyanobacteria are a type of plankton. They are believed to be the first organisms, which produced Oxygen.
SVEN [57.7K]3 years ago
4 0
Cyanobacteria became the first microbes to to produce Oxygen (O2) as a product of Photosynthesis. 

Hope this helps!
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