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Class 9-10, JEE & NEET
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Animals of colder region and fishes of cold water have thicker layer of subcutaneous fat. Describe why?
Subcutaneous fat functions as insulating layer that prevents heat loss from the body in colder environment. Therefore, animals of colder areas and fishes of colder water possess thicker layer of subcutaneous fat. Fat also functions as reserve food during periods of scarcity.