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MB 19.2

MB Chapter 19, Section 2

TermDefinition
growth rate an expression of the increase in the size of an organism or population over a given period of time
immigration the movement of an individual or a group to a new community or region
emigration the movement of an individual or group out of its native area
exponential model a model of population growth that observes that populations can grow in a pattern of exponential growth
limiting factor an environmental factor that prevents an organism or population from reaching its full potential of distribution or activity
logistic model a model of population growth that assumes that finite resource levels limit population growth
carrying capacity the largest population that an environment can support at any given time
density-independent factor a variable that affects a population regardless of the population density, such as climate
density-dependent factor a variable affected by the number of organisms present in a given area
inbreeding the crossing or mating of plants or animals with close relatives
Created by: simmonsr20