A fever is an abnormal elevation of the body temperature. A low to moderate fever, when a low to moderate fever, when allowed to run its course, can be beneficial. fever can promote interferon activity. Fever can also accelerate tissue repair. lastly, fever will inhibit the reproduction of bacteria and viruses.
It is important to note that fever is not an illness, however, it is a symptom, or sign that your body is fighting an illness or infection. Fever stimulates the body's defenses, sending white blood cells and other "fighter" cells to fight and destroy the cause of the infection.
Answer:
<u><em>The correct option is C) genetic variation</em></u>
Explanation:
Genetic variation can be described as the differences present in the genetic material i.e DNA of organisms present in a population. Genetic diversity allows organisms of a species to better adapt to an environment. A population in which the genetic variability is scarce might become wiped out by a disease or an invading predator.
As the birds show different variations hence the term that best described them is genetic variation.
hormons. hormones are released from glands and they all belong to the endocrine system.