Biology crossword

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Across
  1. 2. Variable which we measure with
  2. 4. Fourth type of classification
  3. 6. Holds up the stigma
  4. 8. seventh type of classification
  5. 14. Produces pollen
  6. 15. The process of pollen from one flower getting to the stigma of another flower
  7. 16. What cell walls are made of
  8. 17. sixth type of classification
  9. 18. Multicellular, tissue and organs, have nuclei without cell walls
  10. 19. Catches pollen grains
  11. 20. Holds up the anther
  12. 21. Multicellular, apart from yeast, live in or on dead matter with nuclei and cell walls with Chitin
  13. 22. Attracts insects
Down
  1. 1. When pollen fuses with an ovum
  2. 3. Unicellular cells without nuclei and a flexible cell wall
  3. 5. Third type of classification
  4. 7. Mostly unicellular with nuclei and some have cell walls
  5. 9. Where photosynthesis occurs
  6. 10. Multicellular, tissue and organs, have chloroplasts with nuclei and cellulose cell walls
  7. 11. First type of classification
  8. 12. Second type of classification
  9. 13. Variable which you change
  10. 21. Fifth type of classification