| A | B |
| prokaryotic cell | bacteria |
| bacilli | rod-shaped bacteria |
| spirilla | spiral-shaped bacteria |
| cocci | spherical bacteria |
| endospore | inactive cell surrounded by a thick wall |
| flagella | whiplike structure used to propel a cell |
| bacteriology | study of bacteria |
| nitrogen fixing bacteria | bacteria that change nitrogen in the air to a form plants can use |
| rot and blight | bacterial diseases in plants |
| cheese, cocoa, yogurt | foods requiring bacteria to be made |
| digest protein and make some vitamins | the role of bacteria in humans |
| Eukaryotic cells | cells with a nucleus and organelles |
| cilia | tiny hairlike structures that beat in unison |
| protozoan | animal like protists |
| algae | plant like protists |
| slime molds | the third classification of protists |
| pseudopod | a fingerlike projection of cytoplasm used to get food or to move |
| euglena | protist with both animal and plant like characteristics |
| plankton | tiny plants and animals that float on the surface of the ocean |
| red one celled algae | fire algae |
| yeast | colorless, one celled fungi |
| cap | umbrella shaped top of the mushroom |
| stalk | part of the mushroom the cap sits on |
| gill | part of the mushroom that forms spores |
| spores | the reproductive cells of mold |
| rhizoids | the rootlike structures of molds and mushrooms |
| budding | the method of reproduction in yeast |
| sporulation | the method of reproduction in mushrooms and molds |
| asexual reproduction | reproduction involving only one parent |
| spore cases | structures that contain spores |