| A | B |
| Cell Wall | Thick outer covering found in all bacteria |
| Cell membrane | Outer layer of all cells that controls what enters and leaves the cell |
| Pilus | Hair-like structures that allow bacteria to stick to surfaces |
| Flagella | Long, tail-like structure used for movement |
| Cytoplasm | Gelatin-like interior found in all cells |
| Unicellular | An organism made of one cell |
| Prokaryotes | An organism with no nucleus or organelles |
| DNA | Genetic information found in all cells |
| Cocci | Spherical shaped bacteria |
| Bacilli | Rod shaped bacteria |
| Spirillum | Spiral or cork screw shaped bacteria |
| Amoeba | Unicellular protist with a flexible membrane |
| Pseudopodia | False-feet formed by the membrane of amoebas |
| Euglena | Unicellular protozoa that is capable of making its own food or consuming it |
| Contractile Vacuole | Organelle that removes excess water in protozoan |
| Eyespot | Detects light for photosynthesis in the Euglena |
| Pellicle | Thick, outer layer found in Euglena |
| Paramecium | Unicellular protozoa that moves using cilia |
| Cilia | Hair-like structures that help protozoa move |
| Trichocysts | Defense mechanism in Paramecium that allow them to entangle predators |
| heterotrophic | an organism that consumes other organisms for energy |
| autotrophic | an organism that makes its own food for energy |
| eukaryotes | An organism with a nucleus and organelles |