Chapter 9 Review

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Across
  1. 4. the repeating cycle of gametophyte and sporophyte structures in plants
  2. 5. stems that are softer and more flexible
  3. 6. stems that are hard and rigid
  4. 9. plants that do not bloom until the nights are longer than the critical night length
  5. 11. plants that bloom only when the nights are shorter than the critical night length
  6. 12. the male part of the flower consisting of filaments and pollen producing anthers
  7. 13. the female part of the flower consisting of the stigma, tubular style, and ovary
  8. 14. an angiosperm ovary that swells to surround and protect seeds
Down
  1. 1. the leaflike flower part positioned outside the petals
  2. 2. a small chemical made by tissues that affects how plants grow
  3. 3. has clusters of roots
  4. 7. plants that only bloom when conditions like temperature and moisture are right
  5. 8. has one or a few main thick roots
  6. 10. a plant's growth towards or away from a stimulus