C.it changes DNA,but it is random
Answer:
D. Hypothesis.
Explanation:
A hypothesis is defined as an idea or explanation which can be further tested through study and experiments. It is a proposed explanation for a phenomenon.
Scientists generally base scientific hypotheses on previous observations that cannot be explained with the available scientific theories.
Best Answer Ever: <span>The nervous and endocrine systems exert the ultimate control over homeostasis because they coordinate the functions of the body's systems. Regulation of </span>body temperature<span>, </span>blood pressure<span>, pH, and </span>glucose concentration<span> are four examples of how the body maintains homeostasis.</span>
