Across
- 2. the energy cells use
- 5. first step of cellular respiration
- 6. liquid that is used in photosynthesis
- 8. the green pigment in plants
- 9. the organelle where photosynthesis takes place
Down
- 1. the process where plants make food
- 3. the sugar molecule produced by photosynthesis
- 4. the powerhouse of the cell
- 7. a type of respiration that requires oxygen
- 10. what humans breathe in to survive