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Chapter 17 vocab
| Term | Definition |
|---|---|
| Binomial Nomenclature | Linnaeus’s system of naming organisms, which gives a scientific two-word Latin name to each species--the first part is the genus name and the second is the specific epithet |
| Class | taxonomic group that contains one or more related orders |
| Classification | grouping of organisms or objects based on a set of criteria that helps organize, communicate, and retain information |
| Division | taxonomic term used instead of phylum to group related classes of plants and bacteria |
| Domain | taxonomic group of one or more kingdoms |
| Family | taxonomic group of similar, related genera that is smaller than a genus and larger than an order |
| Genus | taxonomic group of closely related species with a common ancestor |
| Kingdom | taxonomic group of related phyla or divisions |
| Order | taxonomic group that contains related families |
| Phylum | taxonomic group of related classes |
| Taxon | named group of organisms, such as a phylum, genus, or species |
| Taxonomy | branch of biology that identifies, names, and classifies species based on their natural relationships |
| Character | inherited morphological or biochemical feature that varies among species and can be used to determine patterns of descent |
| Cladistics | taxonomic method that models evolutionary relationships based on shared derived characters and phylogenetic trees |
| Cladogram | diagram with branches that represents the hypothesized phylogeny or evolution of a species or group; uses bioinformatics, morphological studies, and information from DNA studies |
| Molecular Clock | model that uses comparisons of DNA sequences to estimate phylogeny and rate of evolutionary change |
| Phylogeny | evolutionary history of a species |
| Archaea | the species classified in Domain Archaea, are thought to be more ancient than bacteria and yet more closely related to eukaryote ancestors |
| Fungus | unicellular or multicellular eukaryote that is stationary, absorbs nutrients from organic materials in the environment, and has cell walls that contain chitin |
| Protist | unicellular, multicellular, or colonial eukaryote whose cell walls may contain cellulose; can be plant like, animal-like, or funguslike |
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