The answer is (D), because none of the other answers make sense
Answer:
D. respiration
Explanation:
It is basically a process that takes place in the cells of organisms. It converts chemical energy from oxygen molecules or even nutrients into ATP.
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Answer:
The use of ladybugs and praying mantises to consume insect pests in gardens is an example of biological control of insect pets.
THe population will become a separate species over time. This is speciation.
The skeletal system cannot produce its own calcium to strengthen itself. It depends on the digestive systemWith the aid of the circulatory system, the smaller molecules of calcium and phosphorus are then delivered into the bone tissues that need them for repair and to strengthen themselves