Saturday, October 16, 2010

How do plants survive the heat of a desert ?

How do plants survive the heat of a desert ?

   There are thousands  of plants that survive in the scorching heat of the desert.
The most common of these iss the rose of jerricho .
when temperature increases much or when climatic conditions are adverse ,this plant shrinks to a ball .
when the atmosphere becomes humid once again the plant  becomes erect and begins to grow .

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