Growth

Card Set Information

Author:
Sara126
ID:
239480
Filename:
Growth
Updated:
2013-10-08 14:56:41
Tags:
plANTS
Folders:

Description:
GROWTH AND DEVELOPMENT
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  1. Growth
    irreversible increase in dry weight , mass or volume of a cell , organ or organism
  2. What is apparent growth
    • Same as growth 
    • irreversible increase in dry weight , mass or volume of a cell , organ or organism
  3. Real growth
    formation of new protoplasm
  4. Growth in lower plants
    • diffused
    • every cell can divide and enlarge
  5. growth in higher plants
    • localised
    • meristems take part in formation of new cells
  6. the body of a plant is open ended means
    body of plant built in modular fashion(discrete units or stages ) where structure is never complete i.e.tips with apical meristem open ended growing and  forming  new organs to replace the older or senescent ones
  7. in which does growth cz increase in number of parts ?
    Plants
  8. in which does growth not cause an increase in a number of parts?
    animals
  9. MERISTEM parts
    • Apical meristem (Root and shoot )
    • Lateral - side
    • intercalary - nodes
  10. 3 phases of plant growth
    • FORMATIVE 
    • Enlargement 
    • Differentiation
  11. FORMATIVE PHASE

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