| A | B |
| Decomposer | Organisms that feed on dead plants or animals |
| Moneran | Organisms with the simplest cell structure |
| Flagella | Whip-like structure extending out from the cytoplasm |
| Endospore | Structure containing DNA, cytoplasm, and a tough protective coat |
| Cocci | Sphere-shaped bacteria |
| Virus | A tiny particle with a core of DNA and a protien coat |
| Host | The living thing that a virus infects |
| Bacilli | Rod-shaped bacteria |
| Anaerobe | Bacteria that do not require oxygen to survive |
| Binary Fission | The asexual form of reproduction that bacteria use |
| Aerobe | Bacteria that depend on oxygen to survive |
| Spirilla | Spiral or corkscrew shaped bacteria |