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Hetrotrophs get their source of energy (food) from autotrophs. Autotrophs prepare food themselves but hetrotrops do not. Example 1 we eat food say for example roti which is made up of wheat which is a plant which is an autotroph. Example 2 a lion get it\’s food by hunting small preys like deer which gets its food by eating grass or plant which again is an autotrophs. Hence we can conclude hetrotrops depend upon autotrophs