| A | B |
| Homeostasis | The process of maintaining a life-supporting internal environment. |
| cell | The smallest unit of a living thing |
| stimulas | Something that causes a response. |
| asexual reproduction | A type of reproduction that requires only one parent. |
| sexual reproduction | A type of reproduction involing two parents. |
| heredity | the passing of genetic characters from parents to offspring |
| metabolism | substances are broken down to yield energy |
| 33.6 G | 3360 cg |
| 3.36 mg | 0.336 cg |
| 504 km | 504000 M |
| 5.04 cg | 50.4 mg |