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Ecosystems (trophic levels (omnivores:eat plants and animals and are the…
Ecosystems
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cycles and relationships
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nutrient cycle:a repeated pathway of a particular nutrient or element from the environment through one or more organisms and back to the environment
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population factors
carrying capacity:the maximum population size of the species that the environment can sustain indefinitely
density independent factors:Factors that exert their influences on population size regardless of the population's density
density dependent factors:Factors whose effects on the size or growth of population vary with population density
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