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Chapter 4 Vocab.

Vocabualry

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.
Denisty-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.
Eigration Movement of individuals away from a population.
Immigration Movement of individuals into a population.
Population Denisty Group of organisms of the same species that occupy the same geographic place at the same time
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 Transisiton 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 birth rate equals the death rate.
Created by: analizagarza
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