Across
- 3. The scientific study of heredity.
- 7. A testable explanation for an observation.
- 8. A group of organs that work together to perform one or more functions.
- 9. All the chemical processes that occur within a living organism.
- 10. The process of change in all forms of life over generations.
Down
- 1. A living thing.
- 2. The study of life.
- 4. The basic structural and functional unit of all known organisms.
- 5. The process by which organisms maintain a stable internal environment.
- 6. The process by which plants convert light energy into chemical energy.