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Population growth patterns
Definitions
9
Biology
9th Grade
04/13/2015

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Term
Immigration
Definition
The movement of individuals into a population from another population.
Term
Emigration
Definition
The movement of individuals out of a population into another population.
Term
Exponential Growth
Definition
Occurs when population size increases dramatically over time.
Term
Logistic Growth
Definition
Population starts with slow growth followed by brief period of exponential before leveling off at a stable size.
Term
Carrying Capacity
Definition
Maximum number of individuals of a particular species that the environment can normally and consistently support.
Term
Population Crash
Definition
Dramatic decline in population over short period of time.
Term
Limiting Factor
Definition
A factor that keeps the size of the population down.
Term
Density-dependent Limiting Factors
Definition
Factors that are effected by the number of individuals in a given area.
Term
Density-independent Limiting Factors
Definition
Aspect of the environment that limit a population regardless of the size of the population.
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