Crosses for Mosses, Learns for Ferns

Edit Answers
1234567891011121314151617181920212223242526272829303132333435
Across
  1. 2. cell division occurring within the sporophyte to create the spore
  2. 7. haploid dispersal mechanism for mosses and ferns
  3. 9. force that presented a new challenge for plants on land
  4. 12. (2 words) archaeological find in a peat bog due to cold, anoxic conditions
  5. 14. growth type lacking in early plants, resulting in shorter growth forms than later plants
  6. 16. (2 words) closest living relative to plants
  7. 20. a group of sporangia
  8. 21. cell wall component of all plants
  9. 23. domain of all plants
  10. 26. hairlike projections that anchor a nonvascular plant (NOT a root)
  11. 28. allows spores to last for long periods of time without dessication
  12. 29. (adj) quality of nonvascular plant tissues which allows them to survive a blender
  13. 31. completely lack vascular tissue
  14. 32. when the plants that are now used as coal were alive
  15. 34. stage that is tiny and hart-shaped in ferns
  16. 35. major food crop depending on an N-fixing aquatic fern
Down
  1. 1. compound in all seedless vascular plants that provides structural support
  2. 3. generation that is nutritionally dependent on the other in nonvascular plants
  3. 4. structure that allows seedless vascular plants to uptake water and nutrients
  4. 5. necessity for reproduction in mosses and ferns
  5. 6. an edible baby fern frond
  6. 8. a structure used by some plants to propel themselves through water
  7. 10. colonized by plants ~475 million years ago
  8. 11. plant structure to control gas exchange; first arose in ferns
  9. 13. (2 words) “Explosion” when most modern plant adaptations arose
  10. 15. one way that nonvascular plants get nutrients without roots
  11. 17. structure that helps nonvascular plants do gas exchange
  12. 18. important use for peat in climates with few trees
  13. 19. one type of spore arising from one type of sporangium
  14. 22. the process when the male and female gametes combine
  15. 24. nutritional mode of all plants
  16. 25. multicellular gametophyte structures where gametes are formed
  17. 27. a common seedless vascular plant in boreal forests
  18. 28. disperses and nurtures spores within the sporophyte generation
  19. 30. (2 words) the only modern seedless vascular plant to have tree-like growth
  20. 33. primary reproductive structure NOT found in mosses or ferns