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DB Ch5 Populations

Vocabulary for Ch 5 in Miller and Levine Biology

QuestionAnswer
Population density the number of individuals per unit area
Immigration the movement of individuals into an area
Emigration the movement of individuals out of an area
Exponential growth occurs when a population’s growth slows or stops, following an exponential growth
Carrying capacity largest number of individuals of a population that a given environment can support
Limiting factor a factor that causes population growth to decrease
Density-dependent limiting factor limiting factor that depends on population size
Predator-prey relationship mechanism of population control in which a population is regulated by predation
Density-independent limiting factors limiting factor that affects all populations in similar ways, regardless of population size
Demography scientific study of human populations
Demographic transition change in a population from a high birth and death rate to a low birth and death rate
Age-structure diagrams graph of the numbers of males and females within different age groups of a population
Created by: ayemme
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