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Vocab 17 necessary
Biodiversity, Systematics, and Modern Classification
| Term | Definition |
|---|---|
| Biodiversity | The variety of organisms considered at all levels, from population to ecosystems |
| Taxonomy | The science of describing, naming, and classifying organisms |
| Kingdom | In a traditional taxonomic system, the highest taxonomic category, which contains a group of similar phyla |
| Genus | In a traditional taxonomic system, the category contained with a family and containing species |
| Species | A group of organisms that are closely related and can mate to produce fertile offspring; also the level of classification below genus and above subspecies |
| Binomial Nomenclature | A system for giving each organism a two-word scientific name that consists of a genus name followed by the species name |
| Subspecies | A taxonomic classification below species that groups organisms that live indifferent geographical areas, differ morphologically from other populations of species, but can interbreed with other populations of the species |
| Systematics | The classification of living organisms in terms of their natural relationships; it includes describing, naming, and classifying the organisms |
| Phylogenetics | The analysis of evolutionary, or ancestral, relationships between taxa |
| Phylogenetic Diagram | A branching diagram that models the relationships by ancestry between different species or other taxonomic groups |
| Cladistics | A phylogenetic classification system that uses shared, derived characters and ancestry as the sole criterion for grouping taxa |
| Shared Character | A feature that is shared by all members or a particular groups of organisms |
| Derived Character | A feature that evolved only within a particular taxonomic group |
| Clade | A taxonomic grouping that includes only a single ancestor and all of its descendants |
| Cladogram | A diagram that is based on patterns of shared, derived traits and that sows the evolutionary relationships between groups of organisms |
| Eubacteria | In a traditional taxonomic system, a kingdom that contains all prokaryotes except kingdom that contains all prokaryotes except Kingdom Archaebacteria (Domain Archaea); biologists more recently prefer to classify these organisms as Domain Bacteria |
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GutzwillerL19
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