Biological Classification Terms

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The science of classification of organisms.

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Taxonomy

Front

A formal system of naming species of living things by giving each a name composed of two parts.

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Binomial nomenclature

Front

A rank in the biological classification system that is above species and below family.

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Genus

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The study of the diversification of living forms, both past and present, and the relationships among living things through time.

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Systematics

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A group of one or more populations of an organism or organisms seen by taxonomists to form a unit.

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Taxon

Front

A rank in the biological classification system that is above genus and below order.

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Family

Front

A rank in the biological classification system that is above family and below class.

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Order

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A rank in the biological classification system that is above order and below phylum.

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Class

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A rank in the biological classification system that is above class and below kingdom.

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Phylum

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A rank in the biological classification system that is above phylum and below domain.

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Kingdom