Module 12-3 & 12-4 Plant structure and function

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Across
  1. 1. growth in length in plants from shoots or roots.
  2. 4. single layer of cells covering the top and bottom of a leaf and protecting the inner parts.
  3. 8. plants that lose their leaves for the winter to conserve water.
  4. 9. plant stem form in cucumbers and watermelons.
  5. 10. plant stem form in trees and flowers.
  6. 11. have yellow or orange hues responsible for the color of pumpkins, carrots and corn.
  7. 13. root region where cells begin to differentiate.
  8. 14. flanked by 2 guard cells to open and close it.
  9. 15. composed of xylem and phloem they form different patterns.
  10. 17. venation when a leaf's veins all branch out from the midrib.
  11. 19. the science of classifying organisms into groups based on shared characteristics.
  12. 21. give leaves their green color.
  13. 23. breaking down large molecules by adding water.
  14. 24. plant stem form in creeping vines.
  15. 25. pressure that keeps leaves and stem stiff and why they wilt when deprived of water, and why some flowers open their petals during the day and close them at night.
  16. 27. plant stem form in the potato.
  17. 29. streaming keeping chloroplasts in constant movement directing them towards the top of the cell to receive sunlight.
  18. 31. how a plant manufactures its own food by absorbing carbon dioxide and reduces oxygen.
  19. 33. Greek for little mouth, tiny holes on the underside of most leafs and essential for survival allowing the exchange of gasses with the atmosphere.
  20. 35. one-cell thick layer surrounding the vascular cylinder towards the center of the root guarding the xylem and phloem keeping out unwanted substances.
  21. 36. oval shaped cells rich in chloroplasts thus making them the site of photosynthesis.
  22. 38. large central vein extending from the petiole.
  23. 39. often grown on the epidermis of a leaf that does not secrete cuticle as a defense mechanism, and giving a velvety appearance.
  24. 40. increase the surface area of the root allowing it to absorb more water and nutrients.
Down
  1. 2. layer of cells that block xylem and phloem running through the petiole of the leaf as days get shorter.
  2. 3. outer layer of plant cells
  3. 5. waxy substance sometimes secreted by the epidermis and giving the leaf a shiny appearance.
  4. 6. root region where cells are becoming fully differentiated and root hairs are produced.
  5. 7. plant movement due to a preprogrammed response
  6. 12. type of growth in width occurring only in woody plants.
  7. 16. inside the endodermis these cells can form new root branches.
  8. 18. tissue between the Xylem and Phloem that can become either depending on what the root needs.
  9. 20. mesophyll tissue where cells can absorb carbon dioxide for photosynthesis.
  10. 22. the evaporation of water from plants.
  11. 26. contains the xylem and phloem which transport nutrients and water throughout the plant.
  12. 28. venation when veins branch out from the midrib and those branches have branches.
  13. 30. living thick-walled cells that support the veins until they get very small.
  14. 32. acid produced from the breakdown of plant cell contents giving dead leaves their brown color.
  15. 34. cells inside the root epidermis.
  16. 37. influences leaf color.