Question

Why does a living organism need a constant supply of food?

Answer 1

Answer:

All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments; metabolism is the set of the processes that makes energy available for cellular processes.

Answer 2

Explanation:

All living organisms need energy to grow and reproduce, maintain their structures, and respond to their environments. ... Animals consume food to replenish energy; their metabolism breaks down the carbohydrates, lipids, proteins, and nucleic acids to provide chemical energy for these processes.

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