| A | B |
| Bacteria | Single-celled organism |
| Prokaryote | Organism whose cell does not contain a nucleus |
| Cocci | Spherical shaped bacteria |
| Bacilli | Rod shaped bacteria |
| Spirrilum | Spiral shaped bacteria |
| Flagellum | Whiplike structure that aids in a bacteria's ability to move |
| Archaebacteria | Live is harsh conditions |
| Eubacteria | Bacteria that live on and in your body |
| Number of Bacteria Kingdoms | Two |
| Binary Fission | Form of asexual reproduction in bacteria |
| Asexual Reproduction | One parent, identical offspring |
| Conjugation | Form of sexual reproduction in bacteria |
| Sexual Reproduction | Two parents, offspring are not identical |
| Autotroph | Organism that produces its own food |
| Endospore | Thick-walled, resting cell that forms in a bacteria cell when conditions are unfavorable |
| Decomposer | Organisms that break down large chemicals in dead organisms into smaller chemicals |