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Practical Notebook Biology Standard XII Study of morphological adaptations of animals, fount=d in xeric and aquatic conditions or habitats Biology  Answeres Practical Notebook Standard XII Class-12th science 11. Study of morphological adaptations of animals, found in xeric and aquatic conditions or habitats.  Aim -  Study of two animals cach found in xeric (desert) and aquatic conditions (habitats) with respect to their morphological adaptations.   Desert animals show adaptations for the conservation of water and deal with extreme dual temperature fluctuations.  L. Camel (Camelus spp):.  It is a xerocoles animal adapted to the desert conditions.   It can tolerate wide range of temperature fluctuations.   • It excretes concentrated urine in order to conserve water.   • It accumulates fat in the hump so that heat flows away from the body and inward flow of heat is prevented.  L Camel can even close its nostrils to stop blowing sand from entering nostrils.   It is a two-toed ungulate show