Across
- 3. .... bisphosphate Molecule that CO₂ attaches to in the Calvin cycle.
- 5. Feeding by absorbing nutrients from dead organic matter.
- 6. Excess nutrients in water causing algal blooms and oxygen loss.
- 8. Product of glycolysis, used in the Krebs cycle.
- 11. Conversion of nitrates back into nitrogen gas by bacteria.
- 12. Organism that eats other organisms for energy.
- 13. First stage of respiration, breaking glucose into pyruvate.
- 15. Organisms that use light energy to make their own food.
- 17. Series of reactions in mitochondria producing energy carriers.
- 18. Total mass of living material in an ecosystem.
- 19. Fungi that form mutualistic relationships with plant roots.
Down
- 1. Organisms that break down dead material, recycling nutrients.
- 2. Organism that makes its own food, usually by photosynthesis.
- 4. Process where light energy excites electrons in chlorophyll.
- 7. Process of converting nitrogen gas into usable forms for plants.
- 9. Coenzyme that carries electrons during photosynthesis.
- 10. Process by which plants convert light energy into chemical energy.
- 12. Green pigment in plants that absorbs light for photosynthesis.
- 14. Molecule that stores and transfers energy within cells.
- 16. Animal that eats only plants.