Across
- 8. Haploisd spore that will develop into an egg-producing gametophyte
- 9. Haploid spore that will develop into a sperm-producing gametophyte
- 10. Transfering pollen from one seed plant to the ovule of another.
- 11. Tough organic compound that gives strength to xylem vessels.
- 13. Holes in the lower leaf surface that allow CO2 in and water vapor out
- 16. Structure consisting of an embryo and nutritive tissue from the parent.
- 17. Generation of a plant that produces gametes; dominant in mosses
- 18. Plants that grown on another plant without parasitizing it (many ferns)
- 21. Types of gymnosperms that make woody cones.
- 23. A plant that has true xylem and phloem
- 25. vascular tissue that transports water and dissolved ions
- 26. Waxy layer around outside of leaf that keeps it from losing water
- 27. Organ of a flower that produces pollen
Down
- 1. Horizontal stem that gives rise to club moss sporophyte generations
- 2. vascular tissue that transports sugars
- 3. Term for anther and filament together
- 4. Period about 300 million years ago when coal was first formed
- 5. Generation of a plant that produces spores
- 6. Gamete producing structure on the top of moss stalks
- 7. Any animal that transfers pollen between plants
- 12. Top cereal crop in the U.S.
- 14. The most economically important moss
- 15. Structures that hold the bryophyte gametophyte in place
- 18. Nutritious tissue that feeds a flower embryo after double fertilization
- 19. Collective term for the stigma, style, and ovary together
- 20. How sperm cells are transported in angiosperms and gymnosperms
- 22. Organ of a flower that becomes the fruit
- 24. Plant that feeds the greatest number of people worldwide