what have a layer of fat under the skin to help insulate the body?
animals dermis humans bears whales goats insects h2o
A B C D E F G H
All whales are mammals.
whales have a layer of fat under the skin to help insulate the body
what have a layer of fat under the skin to help insulate the body? (A) animals (B) dermis (C) humans (D) bears (E) whales (F) goats (G) insects (H) h2o