Ecology Question:

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Under which form is nitrogen fixed by the living beings.

Ecology Interview Question
Ecology Interview Question

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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What is the most abundant form under which nitrogen is found in nature?What is the nitrogen cycle?