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12 terms

Ecology

ecology flash cards
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carrying capacity
the maximum amount of individuals an ecosystem can support over a long period of time
limiting factor
a biotic or abiotic factor that prevents a population from growing
immigration
a population of organisms moving into an ecosystem
emigration
a population of organisms moving out of an ecosytem
commensalism
A close relationship where one organism benefits while the other is not affected at all
mutualism
A close relationship in which both organisms benefit
symbiosis
any close relationship between 2 organisms or 2 species. May benefit or harm one of them
estuary
An area of water where salt water and fresh water mix
wetland
an area of land covered by water. An important ecosystem
succession
Changes over time from one type of community to another
biodiversity
The different types of species in a given community
pioneer species
The first species to move into an area, examples are moss and lichens