What form is energy in when it enters a food chain and when it leaves a food chain

Biology · College · Mon Jan 18 2021

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Answer: The form of energy entering the food chain is sunlight, which is being taken by plant to produce the glucose as their food energy. 

 Energy in the form of solar energy enters the food chain through photosynthesis performed by the producers. 
By feeding on plants and on one-another, animals play an important role in the movement of matter and energy through the food chain. By breaking down dead organic matter, decomposers facilitate nutrient cycling by converting nutrients stored in dead biomass back to a form that can be readily used by plants and other microbes.