Environmental Science Vocabulary

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PCBs

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Polychlorinated Biphenyls used in electronics. Chemical products were banned in 1979. Polluted groundwater.

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Quantitative Data

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Data that uses numbers.

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Qualitative Data

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Data that uses qualities and characteristics to describe.

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Experimental Design

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Set up of an experiment.

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Control

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Constant variable and unchanged throughout the course of the investigation.

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Easter Island

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An island owned by Chile where people died because of lack of natural resources.

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Ecology

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Study of living organisms in their nonliving world.

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Biotic factor

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Living item (ex: bacteria).

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Abiotic factor

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Not living item (ex: rock).

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Ecological Hierarchy

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Species 🡪 population 🡪 community 🡪 ecosystem 🡪 biome 🡪 biosphere.