Across
- 4. energy that is used in cells to operate
- 6. we exhale this and inhale it with oxygen
- 9. this protects the cells
- 12. this uses other living things to survive
- 13. made after an organism uses oxygen
- 15. plants get energy from this
Down
- 1. all living things use this and we drink it
- 2. a green pigment found in plants
- 3. plants use this for photosynthesis
- 5. this produces what we use every day
- 7. a living cell
- 8. this is where photosynthesis occurs
- 10. a product that is removed after the cell is done
- 11. this is what consumes sunlight
- 14. this is found in every living organism