Choose the best answer.
	1.	The number of individuals of a single species per unit area is known as
		A. carrying capacity. B. logistic growth. C. population density. D. population growth rate.
	2.	The movement of individuals into an area is called
		A. demography. B. carrying capacity. C. immigration. D. emigration.
	3.	The range or area occupied by a population is its
		A. growth rate. B. geographic distribution. C. age structure. D. population density.
	4.	The graph below represents
		A. carrying capacity. B. exponential growth. C. logistic growth. D. limiting factors.
	5.	The maximum number of organisms of a particular species that can be supported by an environment is called
		A. logistic growth. B. carrying capacity. C. exponential growth. D. population density.
	6.	If a population grows larger than the carrying capacity of its environment, the
		A. death rate may rise. B. birthrate may rise. C. death rate may fall. D. immigration rate may increase.
	7.	Density-independent limiting factors include
		A. predation. B. hurricanes. C. competition. D. parasitism.
	8.	A limiting factor that depends on population size is called a
		A. density-dependent limiting factor. B. density-independent limiting factor. C. predator-prey relationship. D. parasitic relationship.
	9.	The scientific study of human populations is called
		A. immigration. B. emigration. C. demographic transition. D. demography.
	10.	The demographic transition is complete when
		A. population growth stops. B. the birthrate is greater than the death rate. C. the death rate begins to fall. D. the death rate is greater than the birthrate.