| Term | Definition |
| Biology | The study of life |
| Organism | Anything that possesses all the characteristics of life |
| Organization | Shows orderly structure |
| Reproduction | The production of offspring |
| Species | A group of organisms that can interbreed and produce offspring |
| Growth | Increase in the amount of living material |
| Development | All the changes that take place in an organisms life |
| Stimulus | A condition in the environment that requires an organism to adjust. |
| Response | A reaction to a stimuls |
| Homeostasis | Regulation of an organisms internal environment to maintain survival |
| Energy | The ability to do work |
| Adaptation | A process that enables an organism to respond to stimuli and better survive in an environment |
| Evolution | The gradual accumulation of adaptations over time |
| Scientific Method | Common steps that scientists use to gather information and answer questions |
| Hypothesis | A testable explanation |
| Control Group | The group in the experiment that stays the same |
| Experimental Group | The group in the experiment with the one change |
| Independent Variable | The condition in an experiment that is changed. |
| Dependent Variable | The results from the one change in an experiment |
| Data | Information obtained from experiments |
| Theory | An explanation that is supported by a large body of evidence |
| Quantitative Data | Data in the form of numbers |
| Descriptive Data | Data in the form of words |
| Ethics | The moral principles and values help by humans |
| Technology | The application of scientific research to society's needs and problems |