Population Ecology. Population Dynamics. Population: All the individuals of a species that live together in an area Demography: The statistical study of populations, allows predictions to be made about how a population will change. Population Dynamics. Three Key Features of Populations
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Three Key Features of Populations
Size: number of individuals in an area
Three Key Features of Populations
Three Key Features of Populations
Density: measurement of population per unit area or unit volume
Pop. Density = # of individuals ÷ unit of space
Factors That Affect Future Population Growth
Immigration
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Population
Mortality
Natality

Emigration
Three Key Features of Populations
2. Logistic Growth
The maximum population size that can be supported by the available resources
There can only be as many organisms as the environmental resources can support
Carrying CapacityFigure 35.3A