Across
- 3. the only place where photosynthesis can occur
- 6. opposite of photosynthesis
- 8. dioxide CO2
- 9. end results of a chemical reaction
- 11. O2
- 13. where the second stage of cellular respiration occurs
- 14. beginning of the food chain
- 15. a producer that makes its own food
Down
- 1. H2O
- 2. food produced from photosynthesis
- 4. one of the two places where cellular respiration can occur
- 5. an organism that feeds on other organisms
- 7. opposite of cellular respiration
- 10. where the first stage of cellular respiration occurs
- 12. organism that doesn't make its own food