Across
- 3. the ability to do work
- 7. the decomposing of substance by bacteria
- 8. doesn't need air
- 10. in every food people eat it
- 11. turns water into food
- 12. how to get energy from glucose
- 13. base of all life
- 15. required for photosynthesis
Down
- 1. o2
- 2. needs oxygen
- 4. made during photosynthesis
- 5. citric acid
- 6. a movie
- 8. the bubble of oxygen around the earth
- 9. require photosynthesis
- 14. arise energy to Calvin cycle