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NicheNiche
“ “niche” = the conditions (abiotic niche” = the conditions (abiotic and biotic) in which a species and biotic) in which a species survivessurvives
DispersalDispersal
the movement of individuals away the movement of individuals away from where they were “born” from where they were “born”
DisturbanceDisturbance
any relatively discrete event in time any relatively discrete event in time that removes organisms or that removes organisms or otherwise affects an ecosystem otherwise affects an ecosystem