| A | B |
|---|
| cell | basic unit of structure and function of all living things |
| cell membrane | thin covering that holds the cell together |
| nucleus | controls all of a cell's activities and the production of new cells |
| chromosomes | threadlike structures that contain information about the characteristics of the organism |
| cell wall | rigid layer that supports and protects the plant cell |
| cytoplasm | jelylike substance that contains many chemicals to keep the cell functioning |
| cholorplasts | organelles that make food for the plant cells |
| vacuole | organelle that stores food, water, or wastes |
| mitochondria | organelles that release energy from food |
| diffusion | the process in which particles move from an area of concentration to an area with few particles |
| osmosis | movement of water and dissolved materials through cell membranes |
| bacillus | rod shaped bacterium |
| coccus | spherical shaped bacterium |
| spirillium | spiral shaped bacterium |
| Monera | group of organisms called bacteria |
| endospore | protective state of bacteria in extreme conditions |
| dormant | inactive |
| fission | process of one cell dividing into two cells |
| Protista | group of animal-like and plant-like organisms often found in water |
| amoeba | single celled organism able to move by projecting parts of cytoplasm in one direction |
| paramecium | slipper-shaped protist which uses cilia to move |
| algae | green protist which produce 50% of our atmospheric oxygen |
| diatoms | single-celled, yellow-brown algae with silicon in cell walls |
| euglena | plant-like protist with flagellum for movement |
