Plant Diversity

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Across
  1. 3. Microsporangia in seed plants
  2. 5. originated 360 million years ago to become the dominant terrestrial producer
  3. 6. Plants and Charophytes have their structure of _________ sperm in common.
  4. 8. Plant vasculature from roots to shoots carrying aqueous solution.
  5. 11. Microsporangium ploidy.
  6. 12. The halving of ploidy
  7. 14. Plant embryos are multicellular and ________.
  8. 17. ploidy of gametophyte generation
  9. 18. Eukaryotic super group containing plants.
  10. 19. What group is the closest ancestor to land plants?
  11. 20. Sporangium develop into male and female specialized structures
  12. 24. Plants have __________ generations.
  13. 27. Vascular plants have well-developed roots and ______.
  14. 29. Groups of sporophylls that can be found in Monilophyta
  15. 30. A group of sporangia on a fern sporophyll
  16. 31. Non-true root structures
Down
  1. 1. Small herbaceous plants including club mosses
  2. 2. Allows plants to sustain continual growth in length
  3. 4. Dominant generation of angiosperms
  4. 7. ______stems of horsetails have strobilus.
  5. 9. Immature fern sporophyte.
  6. 10. The common name for plants in Anthocerophyta
  7. 13. Spore-bearing leaves
  8. 15. Needed for fertilization in nonvascular plants
  9. 16. In what structure does fertilization of the egg occur?
  10. 21. How many clades of seedless vascular plants are there?
  11. 22. The joining of haploid gametes.
  12. 23. Which came first vascular plants or nonvascular plants?
  13. 25. hepatophyta
  14. 26. female sporangium
  15. 28. _______, also called ever-greens, are home to 806 species