Under which form is nitrogen fixed by living beings?

1.	Under which form is nitrogen fixed by living beings?
Answer» Most living beings cannot use molecular nitrogen to obtain nitrogen atoms. Producers fix nitrogen mainly from nitrate (NO₃^- ). Some plants also fix nitrogen from ammonia. Consumers and decomposers acquire nitrogen through digestion of mainly proteins and nucleic acids from the body of other living beings.

Answer»

Most living beings cannot use molecular nitrogen to obtain nitrogen atoms.

Producers fix nitrogen mainly from nitrate (NO₃^- ). Some plants also fix nitrogen from ammonia. Consumers and decomposers acquire nitrogen through digestion of mainly proteins and nucleic acids from the body of other living beings.

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Under which form is nitrogen fixed by living beings?

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