Bio

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8thgradeclass
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244764
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Bio
Updated:
2013-11-03 18:40:47
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  1. Three basic types of cells that make up plant tissues.
    • parenchyma
    • collenchyma
    • sclerenchyma
  2. What is the most common plant cell type
    parenchyma
  3. WHat does a parenchyma cell store?
    oil, starches,and water
  4. Which cell type helps heal wounds?
    parenchyma
  5. WHich cell type has thin, flexible walls?
    parenchyma
  6. Which cell type provides support to a growing plant?
    collenchyma
  7. Which cell type is strong and flexible?
    collenchyma
  8. Which cell type makes up celery strings?
    collenchyma
  9. Which cell type has unevenly thick cell walls?
    collenchyma
  10. What is the strongest cell type?
    sclerenchyma
  11. In a sclerenchyma cell the second cell wall is hardened by ______
    lignin
  12. Which cell type dies when it reaches maturity?
    sclerenchyma
  13. which cell type is used by humans to make linen and rope?
    sclerenchyma
  14. What three tissue systems make up plant organs?
    dermal, ground, and vascular
  15. What tissue covers the outside layer of a plant?
    dermal
  16. What tissue forms the bark of a tree?
    dermal
  17. What tissue protects the plant?
    dermal
  18. What tissue secretes cuticle of leaves?
    dermal
  19. What tissue is found inside a plant?
    ground
  20. What tissue provides support for the plant?
    ground
  21. What tissue stores materials in roots and stems?
    ground
  22. What tissue is most commonly made of parenchyma?
    ground
  23. What tissue transports water, minerals, and organic compounds?
    vascular
  24. What tissue is two networks of hollow tubes?
    vascular
  25. What does xylem transport?
    water and minerals
  26. What does phloem transport?
    photosynthetic product
  27. What tissue contains xylem and phloem?
    vasculas
  28. ____ ____ are short and wide
    vessel elements
  29. ____ ___ long and narrow
    tracheid cells
  30. ___ cells die at maturity
    xylem
  31. Plants passively transport water through the xylem

    Cohesion is the tendency of water molecule to bond with other water molecules

    Adhesion is the tendency of water molecules to bond with other substances
    The cohesion-tension theory
  32. Water travels from ____ to the ___ of trees.
    • roots
    • top
  33. Explain how water moves in plants,.
    • absorption in roots
    • cohesion and adhesion in xylem
    • transpiration in leaves
  34. The loss of water vapor through leaves
    transpiration
  35. Water vapor exists leaf ___
    stomata
  36. ___ ___ ____ have holes at the ends.
    Sieve tube elements
  37. Is xylem alive? phloem?
    no; yes
  38. Well supported theory that describes how sugars move through a plant within phloem.
    pressure-flow model
  39. Well supported theory that describes how water and dissolved minerals move through a plant within xylem
    cohesion-tension theory
  40. Anchor plants and absorb mineral nutrients from soil
    roots
  41. What supports the plant and absorbs, transports, and stores nutrients.
    roots
  42. What helps roots with absorption?
    root hairs
  43. Protects the growing part of the roots and covers the tip
    root cap
  44. the area of growth in a root
    apical meristem
  45. contains vascular tissues (xylem and phloem) in a root
    vascular cylinder
  46. Two major types of roots
    fibrous and taproot
  47. Root system that consists of many equally sized roots
    fibrous
  48. Root system that consists of one main root
    taproot
  49. Supports plants, transports minerals, and provides storage
    stems
  50. The increase in a plants length. width?
    primary growth; secondary growth
  51. A mineral needed in large amounts. small amounts?
    nitrogen; magnesium
  52. what represents one year on a tree?
    light and dark bands (rings)
  53. unspecialized tissue of dividing cells
    meristem
  54. Usually broad and flat, collects sunlight for photosynthesis, connect to the stem by a petiole
    blade
  55. between a leafs dermal tissue layer
    mesophyll
  56. surrounds each stomata
    guard cell
  57. When does stomata open or close?
    when  a guard cell changes its shape

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