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| classification system in which each species is assigned a two-part scientific name |
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| group of closely related species; the firs tpart of the scientific name in binomial nomenclature |
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| study of the diversity of life and the evolutionary relationships between organisms |
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| group or level of organized into which organisms are classified |
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| in classification, group of similar genera |
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| in classification, a group of closely realated families |
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| in classsification, the group of closely related orders |
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| largest and most inclusive group in Linnaen classification |
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| the evolutionary history of a lineage |
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| evolutionary branch of a cladogram that includes a single ancestor and all its decendents |
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| group that consists of a single ancestral species and all of its decendants and excludes any organisms that are not descended from that common ancestor |
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| diagram depicting patterns of shared charateristics among species |
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| trait that appears in recent parts of a lineage but not in its older members |
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| larger, more inclusive taxonomic category than a kingdom |
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| domain of unicellular prokaryotes that have cell walls containing peptidoglygan; corresponds to the kingdom eubacteria |
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| domain consisting of unicellular prokaryotes that have cell walls that do not contain peptoglygan; corresponds to the kingdom Archaeabacteria |
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| domain consisting of all organisms that have a nucleus; includes protists, plants, fungi, and animals |
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