Need plants? Seed plants!

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Across
  1. 4. sweet reward for pollinators
  2. 5. egg or sperm
  3. 9. this colorful part is so beautiful for the purpose of advertisement
  4. 10. gymnosperms are well-adapted to these conditions
  5. 11. this landmass created spots where water was far, allowing gymnosperms to dominate
  6. 14. (2 words) a slide to get the sperm nucleus to the egg nucleus
  7. 19. the first modern trees not only had terminal but also these buds
  8. 20. cell division that creates a gamete from a gametophyte
  9. 22. the dominant generation in seed plants
  10. 23. (2 words) male gametophyte
  11. 26. in double fertilization, one sperm cell fuses with these 2 nuclei, forming a 3n tissue
  12. 28. no longer required for fertilization
  13. 29. (2 words) an advantage of seeds over spores
  14. 31. aids in abiotic pollination, especially in Chicago
  15. 32. part of a seed that is a tiny plant
  16. 34. another name for conifer, meaning “naked seed”
Down
  1. 1. color of flowers pollinated at night (combined with strong scent)
  2. 2. what the integument becomes
  3. 3. the anther and filament combined
  4. 6. early plant group that is the state flower of Mississippi
  5. 7. leaf of a conifer
  6. 8. type of conifer that dominated Jurassic Park
  7. 12. many seed plants are dependent on these for pollination or seed dispersal
  8. 13. occurs because the moth’s tongue has to keep up with the orchid’s nectary
  9. 15. the integument, megaspore, and microspore combined
  10. 16. flowers, double fertilization, and fruit
  11. 17. different sized and sexed spores
  12. 18. growth that occurs only in seed plants
  13. 21. process occurring creating a microspore or megaspore from a sporophyte
  14. 24. secondary xylem
  15. 25. the stigma, style, and ovary combined
  16. 27. the mature ovary of a flower, containing at least 1 seed
  17. 30. wavelengths seen by bees, often on purple or yellow flowers
  18. 33. color of flowers preferred by hummingbirds