Chapter 20

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Across
  1. 2. Structures that aid in spore dispersal by twisting
  2. 5. Undifferentiated plant body lacking true roots stems and leaves
  3. 10. Protective cap covering the developing capsule
  4. 12. Swollen base of the archegonium containing the egg
  5. 14. Sterile filament that protects reproductive structures
  6. 15. Structure that produces and releases spores
  7. 16. Female reproductive structures that produce eggs
  8. 19. Structures that bear gametes in bryophytes
  9. 22. Asexual reproductive structures that form new individuals
  10. 23. Male reproductive structures that produce sperm
Down
  1. 1. Division of plants known as liverworts
  2. 3. growth Growth pattern that spreads along the ground
  3. 4. Stalk that supports the capsule in moss sporophytes
  4. 6. Ecological process of gradual change in species composition over time
  5. 7. Structures that produce spores
  6. 8. Cells that undergo meiosis to produce spores
  7. 9. Division of nonvascular plants including mosses
  8. 11. Division of plants known as hornworts
  9. 13. Structures that produce gametes
  10. 14. Filamentous early growth stage of moss gametophyte
  11. 17. Lid that covers the capsule opening in mosses
  12. 18. Diploid cell formed after fertilization
  13. 20. Rootlike structures that anchor nonvascular plants
  14. 21. Structure that anchors the sporophyte to the gametophyte