Provide a concise reply to the question below.
Animals of colder regions and fishes of cold water have thicker layer of subcutaneous fat. Describe why?
The subcutaneous fat layer is in animals and fish that live in colder climates or colder water. This layer acts as an and stops the body from losing heat. Thus, it will aid animals in withstanding . This fat layer also food that the body can use when food is insufficient.