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desert sand dunes landscape photography
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Desert Sand Dunes Landscape Photography

Oases are vegetated areas moistened by springs, wells, or by irrigation. Many are artificial. Oases are often the only places in deserts that support crops and permanent habitation.
Fauna and flora
Deserts have a reputation for supporting very little life, but in reality deserts often have high biodiversity, including animals that remain hidden during daylight hours to control body temperature or to limit moisture needs. Some fauna includes the kangaroo rat, coyote, jack rabbit, and many lizards. These animals adapted to live in deserts are called xerocoles. Many desert animals (and plants) show especially clear evolutionary adaptations for water conservation or heat tolerance, and so are often studied in comparative physiology, ecophysiology, and evolutionary physiology. One well-studied example is the specializations of mammalian kidneys shown by desert-inhabiting species. Many examples of convergent evolution have been identified in desert organisms, including between cacti and Euphorbia, kangaroo rats and jerboas, Phrynosoma and Moloch lizards.

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Filename:205438.jpg
Album name:World & Travel
Rating (1 votes):55555
Keywords:#desert #sand #dunes #landscape #photography
Filesize:52 KiB
Date added:Sep 30, 2009
Dimensions:800 x 600 pixels
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URL:displayimage.php?pid=205438
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