Why do many mammals native to the tropics have fur?
#111643. Asked by unclerick. (Dec 22 09 1:03 PM)
Fur acts as an insulating layer. In cold areas it acts to keep air warmed by contact with the skin in close contact to the animal. In hot areas it can also act to provide a layer of cooler air between the skin and the external environment.
It also protects the skin from thorny or stinging things. (Anyone who has walked through marram grass or unexpected nettles in shorts will appreciate this....) Perhaps that should be 'walked in shorts' as marram grass doesn't usually wear anything...)
Dec 22 09, 3:32 PM
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