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An autotroph gets its food through the process of photosynthesis or chemosynthesis. In photosynthesis, autotrophs, like plants, convert sunlight, carbon dioxide, and water into glucose and oxygen. In contrast, some bacteria and archaea use chemosynthesis to derive energy from inorganic compounds, producing organic matter. This ability allows autotrophs to be primary producers in ecosystems, forming the base of the food chain.

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2mo ago

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