How does nitrogen enter the biotic part of the ecosystem?

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asked Jun 9, 2015 38.9k views

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Jmcharnes · Answer 1 · 2015-06-13T15:22:51+0000

Plants get nitrogen from the soil but it has to be turned into nitrates (by lighting or nitrogen fixation); this because nitrogen in the air is very unreactive, Then the animal eats the plant.
Bacteria can get nitrogen simply from the air

How does nitrogen enter the biotic part of the ecosystem?

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