Ecology Vocab

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Ecology

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Study of the relationship between an organism and its environment

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Biosphere

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Sum of the surfaces, atmosphere, and hydrosphere of the earth which is occupied by living organisms

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Atmosphere

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Gases surrounding the earth from surface to space

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Hydrosphere

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All the bodies of water on the earth

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Biomes

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Large, naturally occurring ecological levels occupying a major habitat; include aquatic, forest, grassland, and wetland

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Parts Per Thousand (ppt)

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Unit expressing a ratio of a solute in a solution

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Ecosystem

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Smaller community where biotic and abiotic elements interact within a biome

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Biotic

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Any living organism

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Abiotic

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Non-living factors

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Community

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Assemblage of different populations of flora and fauna species in an area