What happens to the density of a population due to mortality and emigration?
a. individuals are simultaneously added and removed from the population.
b. individuals are removed from the population.
c. individuals are added to the population.

American s often refer to a country that is not the u. s as a a( domestic), or b(foreign)

The controlled use of fire by hominids: (a) limited the expansion of hominids into certain environments, such as dry grasslands. (b) decreased the amount of food energy available in the hominid diet. (c) contributed to geographical expansion and food production techniques in positive ways. (d) has been shown to contribute little to the digestive process of hominids.

What are the relation of community dynamics and community action to applied social sciences?