Across
- 7. occurs in all living things.
- 8. When a cell doesn't have enough oxygen and starts fermentation.
- 9. When a cell has oxygen.
Down
- 1. How plants grow
- 2. Where cellular respiration takes place
- 3. third process in cellular respiration
- 4. Sugar, what a plant needs to produce ATP
- 5. Second process in cellular respiration.
- 6. Photosynthesis without the sun.
- 9. Energy used by the cell.