| A | B |
| Homeostasis | the ability to maintain a stable internal environment |
| Reproduction | the ability to make more of one's "self" |
| Cellular Organization | consists of one or more cells |
| Heredity | the ability to pass on genes to offspring |
| Metabolism | all the chemical reactions that occur in the body |
| genes | sections of DNA that code for characteristics |
| anabolism | chemical reaction that builds molecules |
| catabolism | chemical reaction that breaks down molecules |
| offspring | product of reproduction |
| stable | relatively fixed |
| chemical reactions | the breaking or building of bonds between molecules |
| cell | the smallest unit of life |