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An essay on the biological make up and properties of xerophytes,
Member rating: No Rating | Words: | Submitted: Fri Mar 31 2006
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Charlie Moore 30th March 2005 An essay on the biological make up and properties of xerophytes, In this essay I am going to explain the biological properties of xerophytes. Xerophytes are plants which are adapted to live in dry conditions. When there is a lot of water the rate of transpiration is about equal to the rate of transpiration of other plants. However in long droughts xerophytes can continue to photosynthesise and grow this is possible because xerophytes have several survival characteristics which enable them to live successfully in areas of low water concentration. All cacti are xerophytes and most desert plants and trees are xerophytes. Xerophytes have some specific structures, theses are thick cuticles with a wax coating and thick epidermal layers to try and reduce evaporation and keep water loss to a minimum. They have a reduced number of stomata which are sunk into pits to prevent wind access....
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