Biology Chapter18
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Created by:
Nicholas15 on September 12, 2011
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23 terms
Terms | Definitions |
|---|---|
 Taxonomy | Discipline of classifying organisms and assigning each organism a universally accepted name. |
| Binominal Nomenclature | A classification system in which each species is assigned a two-part scientific name. |
| Genus | A group of closely related species, and first part of the scientific name in binominal nomenclature. |
| Taxon | Group or level of organization into which organisms are classified. |
| Family | A group of genera that share many characteristics |
| Order | A group of similar families |
| Class | A group of similar oredrs |
| Phylum | A group of closely classes |
| Kimgdom | A large taxonomic group, consisting of closely related phlya |
| Phylogeny | The study of evolutionary relationships among organisms |
| Evolutionary Classfication | Method of grouping organisms togethere according to their evolutionary history. |
| Derived Characters | A characteristic that appears in recent parts of a lineage, but not in its older members. |
| Cladogram | A diagram that shows the evolutionary relationshios among a group of organisms. |
| Domain | Most incusive tax |
| Bacteria | ... |
| Eubacteria | Kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan |
| Archaea | ... |
| Archabacteria | ... |
| Eukarya | ... |
| Protista | ... |
| Fungi | Kingdom composed of heterotrophs; many obtain energy and nutrients from dead organic matter. |
| Plantae | ... |
| Animalia | ... |
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