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Where do heterotrophs obtain their energy from?

Heterotrophs obtain their energy by consuming other organisms or their byproducts, such as organic matter. They cannot produce their own food through photosynthesis or chemosynthesis. Heterotrophs originate from the Greek words 'hetero', which means "other," and 'trope', which means "nourishment".Autotrophs and heterotrophs are two major classifications for organisms depending on how they receive energy and nutrients.