Plant Biology

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Author:
task1214
ID:
47989
Filename:
Plant Biology
Updated:
2010-11-07 17:54:57
Tags:
stem worksheet
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Description:
for test
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  1. Where are apical meristems located?
    At the tips of roots and stems
  2. What is the difference between Primary and Secondary Growth?
    • Primary=growth in length
    • Secondary=growth in width
  3. What are the 3 primary meristems and what tissues do they give rise to?
    • 1.Protodermis-epidermis
    • 2.Procambium-xylem and phloem
    • 3.Ground meristem-pith and cortex
  4. Which of the cells in xylem transport water? Which of the cells in phloem transport sugar?
    Vessel elements-xylem; Sieve elements-phloem
  5. Wood=
    secondary xylem
  6. What are the 3 secondary meristems and what tissues do they give rise to?
    • 1.Vascular Cambium-secondary xylem and phloem
    • 2.Cork cambium-cork cells
    • 3.Intercalary meristem-extsion of nodes in grass only

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