Across
- 4. - The process by which organisms change over time
- 6. - The process by which plants make food from sunlight
- 8. - The fluid-filled contents of the cell
- 9. - The process by which organisms take in oxygen and release carbon dioxide
- 10. - The study of the interactions between organisms and their environment
Down
- 1. - The powerhouse of the cell
- 2. - The regulation of an organism's internal environment
- 3. MEMBRANE - The barrier that surrounds the cell
- 5. - The classification of organisms into groups
- 7. - The genetic material that contains instructions for an organism's development