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ecology flash cards

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


a population of organisms moving into an ecosystem


a population of organisms moving out of an ecosytem


A close relationship where one organism benefits while the other is not affected at all


A close relationship in which both organisms benefit


any close relationship between 2 organisms or 2 species. May benefit or harm one of them


An area of water where salt water and fresh water mix


an area of land covered by water. An important ecosystem


Changes over time from one type of community to another


The different types of species in a given community

pioneer species

The first species to move into an area, examples are moss and lichens

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