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Cyanobacteria plays a major role in our ...

Cyanobacteria plays a major role in our ecology. Discuss.

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1. Cyanobacteria, also known as 'Blue green algae' help in carbon fixation in a major way on the ocean surface.
2. They are helpful in nitrogen fixation in paddy fields leading to a better harvest.
3. About 80% of photosynthesis on ocean surface is done by cyanobacteria. So, it can be said that they play a major role in our ecology.
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