biotic - a living or once living organism, abiotic - a non living organism, organism - individual living thing, population - all organisms of a species that live in the same place at the same time, community - consists of multiple populations of dif. species, ecosystem - contains dif. habitats, biotic and abiotic things and more, biome - groups of ecosystems that have the same climate, location, etc., primary - a type of succession that has no soil, secondary - a type of succession that has soil, pioneer - a type of species that come first to ecosystems, climax community - a stable community that lasts a long time, eutrophication - excessive amount of algae in a pond or lake, limiting factors - an abiotic or biotic factors that limits the # of indiviuals,

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