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scientists classify organisms and assign each organism a universally excepted name

binomial nomenclature

a two part scientific name given to a species


a group of closely related species


a group of genera that share many characteristics


group of similar families


group of similar orders


group of similar classes


large taxonomic group, consisting of closely related phyla


the study of evolutionary relationships among organisms

evolutionary classification

method of grouping organisms together according to their evolutionary history

derived character

characteristic that appears in recent parts of lineage, but not in older members


diagram that shows the evolutionary relationships among a group of organisms


the most inclusive taxonomic category

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