I believe the correct answer from the choices listed above is option B. Aging effects all of the body's cells; and therefore, the basic building blocks of tissues. As your body ages, many tissues lose mass resulting in atrophy. <span>Organ </span>Atrophy<span> is a decrease in the tissue mass of an organ due to either a decrease in size of individual cells (cellular </span>atrophy<span>). Hope this answers the question.</span>
It was developed by scientists throughout history of mankind
Trait is an obvious, observable, and measurable trait; it is the expression of genes in an observable way. An example of a phenotypic trait is a specific hair color