12 terms

Population Growth Quiz

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Natality
the rate at which individuals are born
Immigration
the arrival of individuals from outside a given area
Mortality
the rate at which individuals die
Emigration
the departure of individuals from a given area
Migration
seasonal movement into and out of an area
Exponential Growth
when a population increases by a fixed percentage each year
Logistic Growth
when a population's initial exponential increase is slowed and stopped by limiting factor
Limiting Factors
characteristics of the environment that limit population growth
Carrying Capacity
largest population size that a given environment can support
Density dependent factors
limiting factors affected by population density
Density independent factors
limiting factors that are NOT affected by population density
Biotic potential
maximum ability to produce offspring in ideal conditions