Across
- 4. related to nonliving things
- 7. consisting of many cells
- 8. large enough to be observed without assistance
- 11. a stable internal environment
- 12. related to living things
- 13. smallest unit of life
Down
- 1. too small to be observed without assistance
- 2. chemical reaction to convert food into energy
- 3. consisting of one cell
- 5. process of becoming more complex
- 6. increasing in physical size
- 9. genes bundled together in a protein shell
- 10. a change in state or activity