Across
- 3. food making process in plants
- 4. bees and butterflies
- 7. narrow tubes in solar water heater
- 9. a protective covering for seed
- 10. sun
- 11. reproduction without flower
- 13. gets stuck to stigma
- 14. copper, iron, steel, gold
- 15. aerial part of stem
- 17. anchors the plant
- 18. material which transfers heat
- 19. kitchen of the plant
Down
- 1. harmful materials introduced into environment
- 2. contained in plants for photosynthesis
- 5. flower stalk
- 6. food for insects
- 8. transfer of pollen from anther to stigma
- 10. protects a growing bud
- 12. sacs which hold pollen
- 16. reproductive part of plant