I'm not sure what you mean by "compartments", but the cardiovascular system consists of the heart, blood vessels, and approximately 5 liters of blood.
Answer:
option c)
Explanation:
the correct option is option c)
behavioral ecology is the study of behavior of interaction of the individual with the different community or society.
behavioral ecology study evolutionary behavior of species under ecological pressure.
if any organism has natural advantage in the ecosystem then natural selection favors them.
so, behavioral traits are subject to natural selection.
