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14 Cards in this Set
- Front
- Back
biodiversity |
the variety of organisms considered at all levels, from populations to ecosystems |
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taxonomy |
the science of describing, naming, and classifying organisms |
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taxon |
any particular group within a taxonomic system |
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kingdom |
in a traditional taxonomic system, the highest taxonomic category, which contains a group of similar phyla |
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binomial nonmenclature |
a system for giving each organism a two-word scientific name that consists of the genus name followed by the species name |
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subspecies |
a taxonomic classification below species that groups organisms that live in different geographical areas, differ morphologically from other populations of the species, but can interbreed with other populations of the species |
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systematics |
the classification of living organisms in terms of their natural relationships; it includes describing, naming, and classifying the organisms |
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phylogenetics |
the analysis of evolutionary, or ancestral, relationships between taxa |
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phylogenetic diagram |
a branching diagram that models the relationships by ancestry between different species or other taxonomic groups |
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cladistics |
a phylogenetic classification system that uses shared derived characters and ancestry as the sole criterion for grouping taxa |
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shared character |
a feature that is shared by all members of a particular group of organisms |
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derived character |
a feature that evolved only within a particular taxonomic group |
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clade |
a taxonomic grouping that includes only a single ancestor and all of its descendants |
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cladogram |
a diagram that is based on patterns of shred, derived traits and that shows the evolutionary relationships between groups of organisms |