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Nitrogen Cycle

Nitrogen is essential for life and is constantly being recycled by living things.

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Nitrogen Cycle
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Vocabulary

ammonification

ammonification

The process in which nitrogen, in the form of ammonium ions, is released during decomposition of plants and other organisms.
denitrification

denitrification

Process of converting nitrates in soil back into nitrogen gas; part of the nitrogen cycle.
nitrification

nitrification

Process of converting ammonium ions to nitrites or nitrates; part of the nitrogen cycle.
nitrogen cycle

nitrogen cycle

Interconnected pathways through which nitrogen is recycled through the biotic and abiotic components of the biosphere.
nitrogen fixation

nitrogen fixation

Process of changing nitrogen gas to nitrates; carried out by nitrogen-fixing bacteria in the soil or in the roots of legumes.

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