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Seals in polar seas stay warm thanks to a thick layer of fat called:

AChitin
BBlubber
CCuticle
DKeratin
Answer & Solution
Correct answer: B. Blubber
1. The fat lies below the skin. 2. It acts as an insulator. 3. That fat is blubber. _Source: syllabus Biology, Chapter 13, Organisms and Populations._
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