| A | B |
|---|
| Reproduction | Increase in numbers of living things |
| Growth | Increase in size and living material |
| Development | The changes that occurr as an organism matures |
| Environment | An organisms surroundings |
| Stimulus | Any change in the environment to which the organism adjusts |
| Response | The reaction to a stimulus |
| Homeostasis | Maintaining constant living conditions |
| Energy | The source that enables an organism to do work |
| Adaptation | A change in an organism allowing it to be better |
| Evolution | The gradual changes which occur over time |
| Innate Response | Reflex |
| Learned Response | Conditioning |
| Example of Internal Stimulus | Stomach ache |
| Example of External Stimulus | Baby crying |
| Unicellular | Organism that consists of one cell |
| Multicellular | Organism made up of many cells |
| Example of Homeostasis | Sweating |
