Plants

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Across
  1. 4. Consists of living cells arranged into tubes
  2. 7. Two or more organisms in a relationship
  3. 9. Plant derived medication from the poppy
  4. 11. Site of spore production in sporophytes
  5. 14. facilitate fertilization when male and female gametophytes are separated
  6. 15. Consists of an embryo and nutrients surrounded by a protective coat
  7. 16. Nourishes the growing seedling
  8. 17. A polymer that prevents exposed zygote from drying out
  9. 18. Developed from microspores and contain the male gametophyte
  10. 20. Seed plants with reproductive structures called flowers and fruit
  11. 22. One cotyledon
  12. 24. Spores of two different sizes and sexes
  13. 28. Closets relatives of land plants
  14. 30. Produces microspores that give rise to male gametophytes
  15. 33. Where plants sustain continual growth
  16. 34. Produce ovules in the ovary of flowers
  17. 35. Process by which plants use light energy to produce food
  18. 37. Angiosperm megaspores usually have two
  19. 39. Brightly coloured and attracts pollinators
  20. 40. Conducts most of the water and minerals and includes tracheids
  21. 41. Consists of a megasporangium, megaspore, and one or more integuments
Down
  1. 1. Only one type and size of spores
  2. 2. Organs that anchor vascular plants
  3. 3. Most gymnosperms are cone bearing plants called
  4. 5. Produces megaspores that give rise to female gametophytes
  5. 6. Female gametangia that produce eggs and are the site of fertilization
  6. 8. Produces spores by meiosis
  7. 10. Have flagellated sperm unlike most seed plants
  8. 12. Plants with embryos
  9. 13. Occurs when pollen tube discharges two sperm into the female gametophyte within an ovule
  10. 19. Dominant stage of Bryophytes
  11. 21. Formed when ovary wall thickens and matures
  12. 23. Male gametangia that produces and releases sperm
  13. 25. Triploid, and nourishes the developing embryo
  14. 26. 80% of flowering plants are pollinated by
  15. 27. Organs that increase surface area of vascular plants
  16. 29. Floral organs, usually in multiples of four or five
  17. 31. The transfer of pollen to the part of the plant containing ovules
  18. 32. Leaves with a single vein
  19. 36. The most seedless, vascular plant
  20. 38. Plants evolved from