7th Grade- Chapter 9: Plant Functions

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Across
  1. 3. growing toward the pull of gravity
  2. 5. a plant that blooms whenever the conditions are right regardless of the length of night
  3. 7. pollen-producing structure on top of filament
  4. 9. the entire female part of the flower
  5. 12. anything that causes a response from a plant
  6. 13. growing toward light
  7. 15. often colorful structure that helps attract insects and birds
  8. 16. structure that contains 1 or more ovules at the base of style
  9. 17. growing toward an object the plant touches
  10. 18. the repeating cycle of gametophyte and sporophyte structures in plants
Down
  1. 1. a small chemical made by some plant tissues that affects how other plant structures grow
  2. 2. the leaflike structure around the petals that protects the developing flower
  3. 4. a plant that does not bloom until the nights are longer than the critical night length
  4. 6. a plant that does not bloom until the nights are shorter than the critical night length
  5. 8. a plant’s growth toward or away from a stimulus
  6. 10. the entire male part of the flower
  7. 11. the sticky top father carpel that receives pollen
  8. 14. structure that allows gametes to travel down through the style to the ovary