How do animals obtain nitrogen?

Answer 1

Animals obtain it through eating other organisms

Animals get their nitrogen through the digestion of other organisms, whether those organisms are plants or microbes that fix nitrogen on their own or have consumed these plants or microbes.

The body uses nitrogen for many processes, chief among them being the synthesis of proteins and amino acids.

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Answer 2

Eli Ayoub

Animals obtain nitrogen primarily through the consumption of nitrogen-containing molecules in their diet, such as proteins and amino acids. These molecules are broken down during digestion, and nitrogen is assimilated into the animal's body to be used in various biological processes, including protein synthesis and nucleic acid production. Additionally, some animals can obtain nitrogen through the absorption of ammonia or other nitrogenous compounds from their environment, such as through water or soil.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.