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Taxonomy
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Discipline of classifying organisms and assigning each organism a universally accepted name
Michael Creighton Biology 1
Chapter 18 Vocabulary
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Binomial nomenclature
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Classification system in which each species is assigned a two-part scientific name
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Genus
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Group of closely related species, and the first part of the scientific name in binomial nomenclature
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Taxon
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Group or level of organization into which organisms are classified
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Family
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Group of genera that share many characteristics
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Order
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Group of similar families
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Class
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Group of similar orders
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Phylum
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Group of closely related classes
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Kingdom
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Large taxonomic group, consisting of closely related phyla
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Domain
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Most inclusive taxonomic category; larger than a kingdom
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Bacteria
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Domain of unicellular prokaryotes that have cell walls containing peptidoglycans
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Eubacteria
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Kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan
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Archaea
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Domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan
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Archaebacteria
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Kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan
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Eukarya
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Domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals
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