Pre-AP Ch. 5

7563559	population density	number of individuals per unit of area
7563560	immigration	movement of individuals into an area occupied by an existing population
7563561	emigration	movement of individuals out of an area
7563562	exponential growth	growth pattern in which the individuals in a population reproduce at a constant rate
7563563	logistic growth	growth pattern in which a population's growth rate slows or stops following a period of exponential growth
7563564	carrying capacity	largest number of individuals of a population that a given environment can support
7563565	limiting factor	factor that causes the growth of a population to decrease
7563566	density-dependent limiting factor	factor that depends on population size
7563567	density-independent limiting factor	affects all populations in similar ways, regardless of population size
7563568	predator-prey relationship	mechanism of population control in which a population is regulated by predation
7563569	demography	scientific study of human populations
7563570	demographic transition	change in a population from high birth and death rates to low birth and death rates
7563571	age-structure diagram	graph of the numbrs of males and females within different age groups of a population