Unit 7 (Ecology) Concept 1: Intro to ecology

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Ecology

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The study of relationships between two organisms and between an organism and its environment

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Metabolism

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All of the chemical reactions of each cell in an organism that provide energy for life’s processes and create key molecules

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Organism

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Individual member of a species or population

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Population

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Multiple organisms of the same species living together

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Community

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Multiple populations of different species living together

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Ecosystem

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Community plus all of the abiotic factors in the environment

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Biome

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Multiple ecosystems that share similar characteristics but are located in different parts of the planet

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Biosphere

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The zone of life on Earth, encompassing all of Earth’s ecosystems

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Biodiversity

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The variety of organisms considered at all levels, from populations to ecosystem

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Taxonomy

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Field of biology that classifies organisms, organizing them based on similar characteristics