noun
an organism that cannot produce its own food and must instead obtain its nutrition from other sources
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A heterotroph is an organism that cannot produce its own food and relies on consuming other organisms for energy.
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My friend told me that humans are classified as heterotrophs because we need to eat plants and animals to survive.
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I heard that heterotrophs are the ultimate moochers in the animal kingdom, always relying on others for food.
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In a way, being a heterotroph is like being a perpetual guest at a dinner party, constantly relying on others to provide sustenance.