 |
 |
|
Polar Bears |
||
 |
 |
|
Polar bear fur isn't white - it is transparent! Sunlight can pass through polar bear's thick fur, it's heat being absorbed by the bear's black skin. Under the skin is a layer of insulating fat. |
 |
|
Polar Bears page 3 |
||
|
|
|
|
|
|
Polar Bears |
||
|
|
|
Polar bear fur isn't white - it is transparent! Sunlight can pass through polar bear's thick fur, it's heat being absorbed by the bear's black skin. Under the skin is a layer of insulating fat. |
|
|
Polar Bears page 3 |
||
|
|
|