You could turn on the heater or cover yourself with a blanket.
Their fur
to keep them self's warm and
Well to keep their baby warm if it is having a baby but if not then to kepp it`s self warm!
butterflies do not need to keep warm because they migrate to stay warm.
They eat a lot so their body gets a thick layer of fat that blocks the cold from entering.
whales keep warm by their blubber! good question
keep you warm
The fur on their bodies keep them warm.
They don't need to keep warm, they have a double coat so they stay warm.
what keep you warm in alska
Does a stikleback keep itself warm? that is the question.
heat keep us warm :)