In polar seas, aquatic ..a.. Like ..b..have a thick layer of fat called ..c..below their skin that acts as an ..d..and reduces loss of body heat.

Options

A. a`-`fishes, b`-`sharks, c`-`clasper, d`-`conductor
B. a`-`mammals, b`-`seals, c`-`blubber, d`-`insulator
C. a`-`fishes, b`-`seals, c`-`blubber, d`-`insulator
D. a`-`mammals, b`-`seals, c`-`blubber, d`-`conductor

Answer

B

Explanation

In the polar seas, aquatic mammals like seals have a thick layer of fat called blubber below their skin that acts as an insulator and reduces loss of body heat.