Chemical reactions that take place inside living things are called biochemical reactions. The sum of all the biochemical reactions in an organism is called metabolism.Metabolism includes both exothermic (energy-releasing) chemical reactions and endothermic (energy-absorbing) chemical reactions.
Answer:
to indicate the smallest unit of a repeating substance
Explanation:
it would be kind of an advantage as they breathe air and just stay on land and to get food it can go into the water
<span>i think it is a.Molecules move against their concentration gradient. hope it helps
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