| A | B |
|---|
| organism | Any living thing |
| reproduction | The process of producing offspring |
| Adaptation | Any structure, behavior, or internal process that enables an organismto better survive in an environment. |
| Growth and development | Addition of new cell material and the series of changes that an organism undergoes, |
| Stimulus | Something in the environment of an organism that makes the organism react. |
| Response | The reaction that an organism has to an internal or external stimulus. |
| Homeostasis | An orgainism's tendency to maintain a stable internal environment. |
| Organization | Living things have specific structures to perform specific functions. |
| Environment | The living and nonliving factors in an organism's surroundings. |
| Species | A group of similiar looking organisms that can breed and produce fertile offspring. |
| Evolution | Gradual change in the characteristics of a species over time. |
