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Biology vocab.

TermDefinition
Carrying Capacity The maximum number of individuals in a species that an environment can support for the long term.
Density-Dependent Factor Any factor in the environment that depends on the number of members in a population per unit area.
Density Independent Factor Any factor in the environment that does not depend on the number of members in a population per unit area.
Dispersion The pattern of spacing of a population within an area.
Emigration the term ecologists use to describe the number of individuals moving away from a population.
Immigration the term ecologists use to describe the number of individuals moving into a population.
Population Density the number of organisms per unit area.
Population Growth Rate how fast a given population grows.
Age Structure the number of males and females in each of three age groups, pre-reproductive stage, reproductive stage, and post-reproductive stage.
Demographic Transition the change in a population from high birth and death rates to low birth and death rates.
Demography The study of human population size, density, distribution, movement, and birth and death rates.
Zero Population Growth occurs when births plus immigration equals deaths plus emigration.
Created by: anthonyrouse123
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