Mammals have a layer of fat under the skin to help insulate the body.
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?
Options:
a: animals
b: dermis
c: humans
d: bears
e: whales
f: goats
g: insects
h: h2o