Across
- 3. live for more than 2 years
- 6. growth-promoting substance in plants
- 8. the response of a plant to gravity
- 10. cell. portion affected by a particular hormone
- 13. a mass of tangled green filaments
- 15. reproductive cell from gametophyte plant
- 16. reproductive cell from a sporophyte
- 17. compounds toxic to plants
- 19. large leaves of a fern
- 21. haploid phase that produces gametes
- 23. surrounds and protect seeds
- 24. seed-bearing structures of angiosperms
- 25. transfer of pollen
Down
- 1. seed-bearing structures of gymnosperms
- 2. complete life cycle in 2 years
- 4. hormone that causes fruits to ripen
- 5. Nonvascular plants (mosses)
- 7. cells specialized to conduct water
- 9. diploid phase that produces spores
- 11. hornworts
- 12. Small multicellular reproductive structures
- 14. Liveworts
- 18. underground stems of a fern
- 20. bear seeds directly on surface on cones
- 22. wall 0f tissue that surrounds a seed