Science shepherd ch 25 plants
Across
- 2. leaves of a fern
- 5. sac the anther structure which contains the microspore mother cell
- 6. a layer of flower that is often brightly colored
- 7. the top of the pistil
- 8. spore producing cells
- 11. the base of the pistil; houses the egg, contains ovules
- 12. the cell that forms the tube down the style, allowing sperm to travel to the ovary
- 13. the cap on top of the filament, where pollen is made
- 14. the male structure of a flower
- 16. pollination that occurs with flowers of genetically different plants
- 19. the process of a seed breaking out of the seed coat and sprouting
- 20. a matured ovary
- 21. Pterophyta; vascular and seedless plants
- 22. the long stalk of the stamen
- 24. the phase of a plant that produces haploid gametes
- 26. male spores
- 28. plants that grow on other plants, but not as parasites
- 29. the female plant reproductive structure
- 30. clusters of sporangia that form on the under surface of fern fronds
Down
- 1. chemicals used by plants and animals to control certain aspects of the life of the organism
- 3. pollination that occurs within the flowers of the same plant, or with a genetically identical plant
- 4. female spores
- 9. a sweet, sugar solution made by plants to attract pollinators
- 10. male gametophyte released to fertilize the female gametophyte; contains sperm
- 15. the structure that houses the female gamete in certain plants, especially the non-vascular plants
- 17. the directional movement of a plant in response to an environmental stimulus; thigmo-touch, chemo-chemical, photo-light, gravi-gravity.
- 18. the property of losing leaves at the end of the growing season
- 23. a stem or branch cut from a woody donor plant and grafted onto another plant
- 25. the upright portion of the pistil
- 27. the outer layer of a flower (often green)