Plant growth

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Across
  1. 4. Green par under the flower that protects while it develops
  2. 6. The little part on top of the stamen
  3. 7. special container surrounding the angiosperms
  4. 8. The reproductive structure of a gymnosperm
  5. 9. knobby part at the top of plants
  6. 12. cone-bearing plants and are mainly conifer trees
  7. 14. The process of transferring pollen from the anthers to the stigma
  8. 15. Gender of cone that opens up and releases seeds
Down
  1. 1. The places where a plant produces nectar
  2. 2. Colorful part on plant that attracts bugs
  3. 3. the response to gravity
  4. 5. What gets pollen stuck on them and spreads it
  5. 10. determines which stems of the plant will grow the most
  6. 11. The female part of the flower
  7. 13. something trees release millions of