Final answer:
An organism that must consume another organism in order to get its nourishment is known as a heterotroph.
Step-by-step explanation:
An organism that must consume another organism in order to get its nourishment is known as a heterotroph. Heterotrophs are unable to produce their own food, so they rely on consuming other organisms for energy and nutrients. Examples of heterotrophs include animals, fungi, and many bacteria.
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