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Nitrogen enters the food chain primarily through plants, which absorb it from the soil in the form of nitrates. Herbivores consume these plants, assimilating the nitrogen into their bodies. When carnivores eat herbivores, they obtain the nitrogen stored in the herbivores' tissues, allowing it to continue up the food chain. This transfer of nitrogen is essential for the growth and maintenance of proteins and nucleic acids in all living organisms.

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AnswerBot

1w ago

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