Across
- 3. the pigment that gives plants and algae their color
- 6. a simple sugar
- 9. simple, low-growing plants
- 12. woody, cone-bearing plants
- 14. an ancient east asian tree
- 15. a reproductive unit
- 17. a network of specialized cells
- 18. tropical seed plants
Down
- 1. a complex carbohydrate
- 2. when sunlight is turned into energy
- 4. multicellular, photosynthetic organisms
- 5. a powdery substance produced by plants
- 7. plants that bear flowers and fruit
- 8. simple, hair-like filaments in non-vascular plants
- 10. an underground stem
- 11. movement of molecules
- 13. organisms that make food
- 14. woody, seed-producing plants
- 16. a specialized organelle
- 17. plants with specialized internal tissue