| __ | 1. | adaptation | | A. | basic building block of life |
| __ | 2. | cell | | B. | anything an organism responds to |
| __ | 3. | development | | C. | maintain steady conditions inside an organism |
| __ | 4. | homeostasis | | D. | the reaction to an organism |
| __ | 5. | response | | E. | characteristic that makes an organism better able to survive |
| __ | 6. | Scientific method | | F. | all the changes that an organism undergoes as they grow |
| __ | 7. | stimulus | | G. | way to solve problems in science |
| __ | 8. | zoology | | H. | study of animals |