Question

what do you understand by food ​

Answer 1

Answer:

Food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. ... Animals that feed on plants often serve as sources of food for other animals.

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Answer 2

Answer:

Food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy.  Animals that feed on plants often serve as sources of food for other animals.