| A | B |
| classification | the grouping of objects or information based on similarities |
| taxonomy | the branch of biology that groups are names organisms based on studies of their different characteristics |
| binomial nomenclature | a two word naming system |
| genus | consists of a group of similar species; first word in binomial nomenclature |
| specific epithet | the second word in binomial nomenclature; sometimes describes a characteristic of the organism |
| family | consists of a group of similar genera (plural of genus) |
| order | a taxon of similar families |
| class | a taxon of similar orders |
| phylum | a taxon of similar classes |
| division | plant taxonimists use "division" instead of phylum |
| kingdom | a taxon of similar phyla or divisions |