Question

Why animals of colder regions and fishes of cold water have thicker layer of subcutaneous fat?

• A. Fat acts as subcutaneous insulation of body
• B. Fat causes thermoregulation
• C. Fat causes thermodisregulation
• D. Both A and B

Answer 1

The correct option is D Both A and B

Subcutaneous fat is present beneath the skin epithelial layer. Fat does not allow to escape the heat from the body i.e. it acts as an insulating layer. Thus, the subcutaneous fat layer is involved in thermoregulation.

Therefore, option D is correct.