Levels of Organization in Ecology

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Abiotic

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Nonliving things in an enviornment

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Biotic

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the living things in the environment

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Organization in an Enviornment

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Organism → Population→ Community → Ecosystem → Biosphere

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Ecology

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the study of the interactions between organisms and their environments. 

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Population

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groups of individuals of the same species that live together in the same area at the same time

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Community

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all the populations of different species that live and interact in an area. 

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Ecosystems

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made up of a community of organisms and its abiotic environment

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Parasitism

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A relationship in which one organism benefits and the other is harmed.

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Host

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The organism being harmed in a parasitic relationship.

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Habitat

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an organism's home, 

the environment in which it lives