Ecology Vocab

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Ecology

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Scientific study of interactions among organisms and their environment.

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Habitat

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Place where an organism lives

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Competition

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A common demand by two or more organisms for limited resources like food, water, or shelter.

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Consumer

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An organism that eats another organism

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Decomposer

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An organism that breaks down biotic waste and dead organisms.

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Food Chain

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A series of steps in which organisms transfer energy by eating and being eaten.

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Population: A group of individuals of the same species in a specific area.

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A group of individuals that belong to the same species and live in the same area.

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Ecosystem

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A system formed by the interaction of a community of organisms with their physical environments.

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Abiotic

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Nonliving factor in an environment (climate, weather, soil)

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Biotic

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Living factors in an environment: populations of mammals, plants, fungi.