Ecology - Populations.

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Presentation transcript:

Ecology - Populations

Ecology - Populations Population All the individuals of a species that are in a given area at a given time.

Ecology - Populations Population Density The number of individuals in a given area.

Ecology - Populations

Ecology - Populations Carrying Capacity Refers to the size of a population that can live indefinitely in an environment without doing that environment any harm.

Ecology - Populations Density Dependent Factors Factors that affect population that get worse as population increases. Eg. Food, Water, Space, Predators, Disease, Parasitism

Ecology - Populations Density Independent Factors Factors that affect population that do not get worse as population increases. Eg. Fire, Storms, Earthquakes, Floods

Ecology - Populations Interspecific Competition Competition for resources between individuals of different species. Eg. Competition for food, water, space…

Ecology - Populations Intraspecific Competition Competition between individuals of the same species.

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