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m_a_m_a [10]
4 years ago
15

How might cyanobacteria have contributed to the evolution of animals?

Biology
1 answer:
Tatiana [17]4 years ago
3 0
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].
Hope this works ...!
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