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Seals in polar seas keep warm with a thick layer of fat called:

ABlubber
BLanolin
CKeratin
DChitin
Answer & Solution
Correct answer: A. Blubber
1. It lies below the skin. 2. The layer is blubber. 3. It reduces heat loss to icy water. _Source: syllabus Biology, Chapter 13, Organisms and Populations._
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