Ch 23 Plant Structure

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Across
  1. 1. Plant growth towards light
  2. 4. The __ layer contains the most chloroplasts in the leaf
  3. 5. Pollination between flowers of DIFFERENT plants (good seed)
  4. 6. These plants live for two growing seasons
  5. 8. Circular patterns of xylem cells found in woody stems
  6. 9. Photosynthesis takes place in the __ of a cell
  7. 10. Stems that are soft, green, and "juicy"
  8. 15. This tissue produces additional xylem and phloem cells as the plant grows
  9. 17. These are tiny openings in the leaf where gas exchange occurs
  10. 19. The thin stalk that attaches the leaf to the stem
  11. 20. Evaporation of water from leaves
  12. 22. Downward growth of roots
  13. 24. Chloroplasts contain a green pigment called __
  14. 26. Early growth of a plant embryo is called __
  15. 27. Plant sperm is called __
Down
  1. 1. The transfer of pollen from anther to stigma
  2. 2. The central vein of a leaf
  3. 3. These plants live for one growing season
  4. 7. Tissue type that includes xylem and phloem
  5. 11. Xylem and phloem can be found in vascular ___
  6. 12. Root system with lots of small roots attached to the stem
  7. 13. These buds are found on the sides of stems
  8. 14. Root system with one main root
  9. 16. The union of egg and sperm
  10. 18. These buds are found on the tips of stems
  11. 19. These plants live for more than two growing seasons
  12. 21. The best soil for growing plants
  13. 22. Tissue type that includes parenchyma, collenchyma, and sclerenchyma
  14. 23. Food is stored in __, tissues made of parenchymal cells
  15. 24. Bark is composed of cells called
  16. 25. Pollination between flowers of the SAME plant (not good see)