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a dynamic complex of plant, animal and microogranism communities and the nonliving environmental interacting as a functional unit within an explicit space.
formation of ecosystems
The abiotic factors predict the climate, which affects the biotic factors that live in the ecosystem
concept for measuring demand on earth's resources to satisfy human consumption and waster absorption - measured in acreage
the diversity of plant and animal life in a particular habitat (or in the world as a whole)
consume their energy. primary consumers feed on producers, secondary consumers feed on primary consumers
little rainfall, extensive root system, animals adapt to having less water, extreme temperature changes
High rainfall, warm weather, canopies (no life on forest floor), species live in the trees
Energy flows & efficiency
energy in ecosystems flow in one direction (need renewable resources). Higher up the biomass pyramid the more energy needed
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