| A | B |
| classify | organize into groups |
| kingdom | largest, most general classification group |
| phylum | classification level below kingdom and above class |
| class | classification level below phylum and above order |
| order | classification level below class and above family |
| genus | classification level below family and above species |
| family | classification level below order and above genus |
| species | the lowest, most specific classification level |
| scientific name | same as genus-species name, the most accurate name |
| genus-species name | same as the scientific name name, the most accurate name |
| common name | a general identification of an organism |
| biblical kind | organisms that are able to reproduce |
| 2 million | the number of organisms classified today |
| generalization | the process of making observation of some individuals in a group to draw conclusions about all individuals in the group |
| physical characteristics | basis of the modern classification system |
| Carolus Linnaeus | inventor of the modern classification system |
| common ancestor | phrase used by evolutionists to indicate relationship |