Trichodesmium is a nitrogen-fixing cyanobacteria. Why might this cyanobacteria be important to other organisms in nitrogen-poor waters?

They convert atmospheric nitrogen (N2) to organic compounds including ammonia (NH3).

They convert inorganic nitrogen to ammonia (NH3) in the ocean.

They convert organic nitrogen compounds to into other nitrogen compounds. They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.

Question

Biology

Cole

29 June, 07:29

Trichodesmium is a nitrogen-fixing cyanobacteria. Why might this cyanobacteria be important to other organisms in nitrogen-poor waters?

They convert atmospheric nitrogen (N2) to organic compounds including ammonia (NH3).

They convert inorganic nitrogen to ammonia (NH3) in the ocean.

They convert organic nitrogen compounds to into other nitrogen compounds. They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.

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Theodore Barton · Answer 1

Cyanobacteria don't need oxygen to survive they produce oxygen. They where the first ever known organisms on the planet and they produced oxygen in the oceans which was absorbed by iron deposits and then once the iron had oxygen the ocean got the oxygen until it got into the atmosphere and Eukaryota bacteria evolved. So the answer would be: They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.