| A | B |
|---|
| taxonomy | the discipline of classifying organisms and assigning each organism a universally accepted name |
| binomial nomenclature | a classification system in which each species is assigned a two-part scientific name |
| genus | a group of closely related species, first part of the scientific name in binomial nomenclature |
| family | a group of genera that share many characteristics |
| order | a group of similar families |
| class | a group of similar orders |
| phylum | a group of closely related classes |
| kingdom | the largest taxonomic group, consisting of closely related phyla |
| evolutionary classification | a method of grouping organisms together according to their evolutionary history |
| derived character | a characteristic that appears in recent parts of a lineage, but not in its older members |
| cladogram | a diagram that shows the evolutionary relationships among a group of organisms |
| domain | the most inclusive taxonomic category; larger than a kingdom |
| phylogeny | organisms evolutionary history |
