Biology - Chapter 22 Crossword

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Across
  1. 2. matured angiosperm ovary, usually containing seeds
  2. 4. The multicellular haploid (N) phase
  3. 6. ________ colony are connected to one another by strands of cytoplasm, enabling them to communicate
  4. 7. carry water and nutrients upward from the soil and distribute the products of photosynthesis throughout the plant body
  5. 11. The transfer of pollen from the male reproductive structure to the female reproductive structure is called _____________
  6. 12. male parts of the flower
  7. 14. carry out photosynthesis
  8. 21. During ______, a sperm and egg fuse with each other, producing a diploid zygote
  9. 24. flowering plants
  10. 25. is a freshwater alga that forms long, threadlike colonies
  11. 26. are produced in archegonia
  12. 28. transports solutions of nutrients and carbohydrates produced by photosynthesis
  13. 29. The multicellular diploid (2N) phase
  14. 30. have a thin, waxy coating that makes it possible for them to resist drying
  15. 31. the structures in which the female gametophytes develop
Down
  1. 1. are hollow tubelike cells with thick cell walls strengthened by lignin
  2. 3. are named after the tracheid cells that are found in xylem, a tissue that carries water upward from the roots to every part of a plant.
  3. 5. single carpel or several fused carpels
  4. 8. two seed leaves
  5. 9. a colony that are stacked almost like soda cans placed end to end
  6. 10. innermost floral parts
  7. 13. one seed leaf
  8. 15. outermost circle of floral parts
  9. 16. marks the beginning of the sporophyte stage of the life cycle
  10. 17. takes place when the growth of the embryo resumes and the seed sprouts into a plant
  11. 18. surround and protect the seeds
  12. 19. have specialized reproductive organs enclosed by other, nonreproductive cells
  13. 20. a plant embryo and a food supply that are encased in a protective coating
  14. 22. are formed in reproductive structures at the tips of the gametophyte
  15. 23. nutrients in the soil needed for plant growth
  16. 27. are produced in antheridia
  17. 28. often brightly colored, found just inside the sepals