| A | B |
| Domain | Most general classification of life |
| Kingdom | 2nd level of classification of life, 6 kingdoms |
| Archeabacteria | Extreme bacteria, Prokaryotic |
| Eubacteria | Prokaryotic, single celled organisms |
| Eukaryote | Cells that contain a nucleus and organells |
| Animalia | Multcelled, heterotrophic, mobile organisms |
| Plante | Single or multicelled autotrophic organisms |
| Protista | Single celled, auto or heterotrophic organisms |
| Fungi | Single or multicelled organisms which absorb digested nutrients |
| Characteristics | Used to classify organisms into groups |