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chapter 17
| Question | Answer |
|---|---|
| binomial nomenclature | two-word system devolped by carolus linnaeus to name species;;first word identifies the genus of the organisim , the second word is often a descriptive word that describes a characteristic ofthe organisim |
| class | taxonomic grouping of similer orders |
| classification | groupimg of objects or information based on similarities |
| division | taxononomic grouping of similar classes; termused instead of phyla by plant taxonomists |
| family | the next larger taxon in the biological classification system |
| genus | first word of a two part scientific name used to identify a group of similar species |
| kingdom | taxonomic grouping of similar phyla or divisions |
| order | taxonomic grouping of similar families |
| phylum | taxonomic grouping of similar classes |
| specific epithet | the second word of a species name |
| taxonomy | branch of biology that groups and names organisims based on studies of their shared characterisitics; biologists who study taxonomy are called taxonomists |
| cladistics | biological classification sytem based on phylogeny; assumes that as groups of organisms diverge and evolve from a common ancestral group, they retain derived traits |
| cladogram | branching diagram that models the phylogeny of a soecies based on on the derived traits of a group of an organism |
| eubacteria | a group of prokaryotes with strong cell walls and a variety of structures |
| fungus | group of unicellular or multicelluar heterotrophic eukaryotes that do not move from place to place ;absorb nutrients from organic materials in the environment |
| phylogeny | evolutionary history of aspecies based on comparative relationships of structures and comparisons of modern life forms with fossils |
| protist | diverse group of multicullular or unicellular eukaryotes that lack complex organ systems and live in moist enviorments; may be autotrophic or heterotrophic |