Across
- 4. What air humans breathe out.
- 5. Source of energy for use and storage at the cellular level.
- 7. Contents of a cell between the plasma membrane and the nuclear envelope.
- 8. How carbon dioxide enters the leaf through stomatal pores.
- 9. Food that photosynthesis makes.
- 10. An organism capable of producing its own food.
- 12. A group of food chains within an ecosystem.
- 13. The order in which living things depend on each other for food.
- 14. Breaks down dead material.
- 15. The middle layer of cells in a leaf
- 16. Converting glucose into a form of energy.
- 18. Any organism that produces its own food using photosynthesis.
- 21. Living components.
- 22. The natural compound in green plants that gives them their color.
- 23. Eat plants and other animals to earn energy.
- 24. How plants eat.
Down
- 1. Process where oxygen transforms stored food from photosynthesis into energy to grow.
- 2. The cycle by which carbon is exchanged among the Earth.
- 3. A cell structure where cellular respiration occurs.
- 6. Cell structure where photosynthesis occurs.
- 10. Non-living components.
- 11. A molecule that is capable of absorbing light energy
- 17. Group of pigments that are used in the reactions of photosynthesis and convert into energy
- 19. A gas that has no color, odor, or taste.
- 20. A geographic area built up of living organisms.
- 25. Glucose can be converted into this and grains of it can be found inside cells.