classification

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Class

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

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Classify

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To arrange or organize by classes; to categorize.

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Domain

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The highest taxonomic rank in the hierarchical biological classification system, above kingdom.

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Family

Back

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

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Genus

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

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Kingdom

Back

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

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Order

Back

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

Front

Phylum

Back

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

Front

Species

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The basic unit of biological classification, below genus.

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Taxonomy

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The science of classification of organisms.