Wednesday, December 29, 2010

The roles of water

Water is used for many things in the life of a plant such as: 
  • It keeps the plant upright and enables the leaves to be held in the best position for sunlight to reach them.
  • Nutrients and trace elements are carried in solution to the cells of the plant where they are used for growth and activity.
  • Water allows plants to cool themselves by evaporation through the stomata.
  • It is also needed for photosynthesis
  • Water helps the upward movement of salts and nutrients in the plant. 
  • Water provides the transport system for important substances from the one part of the plant to another (translocation)

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