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Chapter 4

Vocabulary

TermDefinition
Carrying Capacity largest number of individuals in a species that an environment can support long - term.
Density-Dependent Factor environmental factor, such as predation, disease, and competition, that depends on the number of members in a population per unit area.
Density Independent Factor environmental factor, such as storms and extreme heat or cold, that affects populations regardless of their density.
Dispersion arrangement of a population in its environment.
Emigration movement of individuals away from a population.
Immigration movement of individuals into a population.
Population Density number of organisms per unit of living area.
Population Growth Rate how fast a specific population grows.
Age Structure in any population, the number of individuals in their pre- reproductive, reproductive, and post - reproductive years.
Demographic Transition population change from high birth rates and death rates to low birth rates and death rates.
Demography study of human populations based on size, density, movement, distribution, and birth, and death rates.
Zero Population Growth (ZPG) occurs when the birthrate equals the death rate.
Created by: IsabelVargas21
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