Question

Chemical process used to build up or breakdown materials in an organism

Answer 1

metabolism

Step-by-step explanation:

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Answer 2

Metabolism is the sum of all catabolic (break down) and anabolic (synthesis) reactions in the body.

Step-by-step explanation:

The metabolic rate measures the amount of energy used to maintain life. An organism must ingest a sufficient amount of food to maintain its metabolic rate if the organism is to stay alive for very long.