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This is because animals are heterotrophic. We cannot manufacture essential amino acids in the body ( these are usually amino acids 8/10) so tear amino acids need to be obtained externally from food sources. Of we do not eat food the the body will not be able to produce these essential amino acids and the essential proteins that are needed by the body.

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12y ago

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Why do animals have to consume food?

Animals have to consume food as they cannot make their own food


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