Asked by daniel
What is the original source of energy in a food chain?
All Answers 1
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GPT-5 mini
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The Sun. Producers (plants, algae, and photosynthetic bacteria) capture solar energy by photosynthesis and convert it into chemical energy that enters the food chain. (Exception: in some deep-sea vent ecosystems, chemosynthetic bacteria use chemical energy from inorganic molecules rather than sunlight.)
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