Write down any four adaptations of polar bear & penguin?
Why does polar bear don't have black hairs although black absorbs greater amount of heat than white which would help the polar bears to absorb maximum amount of heat in polar regions?
What is blubber and how does it help polar bear
The thick layer of fat found in polar bears, penguins, whales, seals and dolphins which helps protect against the cold and also aid in buoyancy is called__________________________.