because it is a mammal
The walrus has a thick layer of blubber beneath the skin to keep it warm.
Because elephants and dogs do not perspire.
Walrus stay warm by: 1. Their thick blubber "fat" is used as an insulation against the cold. 2. They huddle in massive groups.
The body covering that a hippopotamus has is skin. They have a very thick and seemingly hairless skin that covers their large bodies. Their skin also has special secretions that keep them safe from bacterial and sun damage.
Wrinkled skin of the elephants help them to maintain the body temperature.
The skin of a walrus.
So it could stay warm in harsh weather and for protection from predetors
people get old and fat and there skin gets wider
It is absorbing water.
Yes.
3.9 inches
An elephnat has more of a wrinkled skin and it kind feels like snad paper.