Across
- 3. Electron Transport Chain
- 5. occurs in mitochondria
- 8. site of photosynthesis
- 12. reactions where O2 is present
- 13. anything that has mass
- 14. all soil and rock on Earth
- 16. reactions where O2 is not present
- 17. Adenosine Triphosphate
- 18. used by plants to make energy
- 19. breaks down biotic compounds
- 20. all gases surrounding Earth
Down
- 1. all living things on Earth
- 2. eats other organisms for energy
- 4. organism that can make its own food
- 6. occurs when no oxygen is present
- 7. occurs in cytoplasm
- 9. all water on Earth
- 10. used to capture light energy
- 11. site of krebs cycle and ETC
- 15. backbone of all macromolecules