chapter 5 vocab
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number of individuals per unit area
Population density
describes the way individuals are spaced out across their range
Population distribution
the number of males and females of each age in a population
Age structure
movement of individuals into an area occupied by an existing population
Immigration
growth pattern in which the individuals in a population reproduce at a constant rate
Exponential growth
movement of individuals out of an area
Emigration
growth pattern in which a population’s growth slows and then stops following a period of exponential growth
Logistic growth
largest number of individuals of a particular species that a particular environment can support
Carrying capacity
factor that causes population growth to decrease
Limiting factor
limiting factor that depends on population density
density-dependent limiting factor
limiting factor that affects all populations in similar ways, regardless of the population density
density-independent limiting factor
scientific study of human populations
Demography
change in a population from high birth and death rates to low birth and death rates
demographic transition