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Transcript
Ecosystem: All interacting parts of a biological community and its environment; a group of living organisms that, along with their abiotic environment, form a self-regulating system through which energy and materials are transferred. Biotic: living Abiotic: non-living Populations Populations are organisms that belong to the same species that live in the same ecosystem Carrying Capacity -largest population of a species that an ecosystem can support Factors that affect an ecosystem Biotic: disease reproductive rates predator/prey (population size in trophic level above or below) competition* availability of mates population density** Abiotic: space temperature oxygen sunlight water *Intraspecific Competition: competition within a species (wolves vs. wolves) Interspecific Competition: competition between species (wolves vs. coyotes) **density dependent factors – listed above density independent factors – fire, drought, flood, volcano, earthquake, hurricane
