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Population Ecology, Examples, Are, Such as, Is the, For example, Such as,…
Population Ecology
Population density
The number of individuals per unit of an area
High density
Individuals crowded together increases food competition
Bees in a beehive
Low density
Few organisms makes it hard to find a mate
Tigers
Selection
K selection
Species out compete each other for limited resources through adaptive traits
Environment reaching carrying capacity
R selection
Produce as many offspring ass quickly as possible
Low population density, abundant resources
Density dependent limiting factors
Birth rates slow, death rates rise
Population growth decreases
Predation
Parasitism and disease
Competition for limited resources
Density independent limiting factors
Factors that limit population growth and have nothing to do with population size
Flood
Examples
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Is the
For example
Such as
Means
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Types include
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Which means
Because
Because