Answer:
Homeostasis
Explanation:
Homeostasis is an organism ability to maintain equilibrium [which means balancing opposing forces]. When we sweat our body it is trying to stop overheating.
Answer:
it benefits the thing or area it lives on?
The atria of the heart merely need to allow blood to flow into the ventricle, and therefore aren't very muscular.
The ventricles of the heart need to actually pump blood to the rest of the body, whether to the lungs or the the rest of the body.
Density-dependent limiting factors cause a population's per capita growth rate to change—typically, to drop—with increasing population density