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Ecology

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The study of interactions between organisms and their environment.

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Ecosystem

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All of the living and non living features of an environment.

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Abiotic factors

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Non-living chemical and physical parts of the environment that affect living organisms.

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Biotic factors

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Living components that affect the population of organisms.

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Biomes

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Large naturally occurring communities of flora and fauna occupying a major habitat.

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Habitat

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The natural home or environment of an animal, plant, or other organism.

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Niche

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The role or function of an organism or species within an ecosystem.

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Populations

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Groups of individuals belonging to the same species that live in the same region at the same time.

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Limiting factor

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An environmental factor that restricts the growth, abundance, or distribution of an organism or a population of organisms in an ecosystem.

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Carrying capacity

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The maximum population size of the species that the environment can sustain indefinitely.