| A | B |
| Classification | Organizing living things into orderly groups based on similar characteristics |
| Kingdom | The largest and most general level of classification |
| Eubacteria | Kingdom of prokaryotic bacteria that are all over the world with the exception of the oldest ones |
| Archaebacteria | Kingdom of prokaryotic bacteria that are the oldest in the world and live in the harshest environments |
| Plantae | Kingdom of multicellular eukaryotic organisms that are usually green and do photosynthesis |
| Fungi | Kingdom of multicellular eukaryotic organisms that secrete digestive enzymes to food and absorb the nutrients |
| Protista | Kingdom of multicellular or unicellular eukaryotic organisms that are not plants, animals or fungi |
| Animalia | Kingdom of multicellular, eukarytoic organisms that have a nervous system and can move around |