Question

animal of colder and fish of colder waters have a thicker layer of body fat under the skin give reason why​

Answer 1

Answer:

Fat present in the subcutaneous layer acts as an insulator to prevent the loss of heat from internal body environment during cold climates. It also helps in reserving food during the periods of food scarcity.

Answer 2

Answer:

Fat stored in the adipose tissues of some fish provide thermal insulation.

(helps the fish survive in cold water)

hope this helps ^_^