| A | B |
| Classificaiton | grouping of organisms based on similarities |
| Domain | largest category in classificaiton |
| Taxon | means group |
| Divergent evolution | when two organisms evolve into different species |
| Larget taxon | kingdom |
| Smallest taxon | species |
| binomial nomenclature aka | scientific name |
| Phylogenetic tree | graphic; shows how many species evolved over time |
| Cladogram | graphic; shows one branch of a phylogenetic tree |
| Dichotomous key | use to identify the name of an organism; yes or no answers |
| Taxons in scientific name | Genus species |