| A | B |
| prokaryote | a simple cell because it lacks a nucleus |
| response | a reaction to something in the environment |
| stimulus | a change in the surroundings of an organism |
| taxonomy | the scientific study of classification of living things |
| unicellular | made up of only one cell |
| autotroph | can make its' own food through photosynthesis |
| cells | small, basic building blocks of organisms |
| eukaryote | a complex cell with a nucleus |
| heterotroph | CAN NOT makes its own food; gets food by eatting other organisms |
| multicellular | made up of many cells |