the maximum amount of individuals an ecosystem can support over a long period of time
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
The first species to move into an area, examples are moss and lichens
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