How Polar Bears are adapted to their Environment
The Polar Bear's fur is extremely thick and it traps the heat so well, you can't see one in inferred vision. This is good because the retention of heat keeps it permanently warm. It does not lose body heat as other animals and people do, and it would not be recognised by an inferred scanner, such as used when searching earthquakes and other devastated sites for survivors. The Polar bear would not be detected so …
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…female polar bear has developed a unique survival technique when it comes to the development of an embryo. It is called delayed implantation. Delayed implantation clearly serves an important survival need for the mother. Should the female not have put on enough fat reserves before the time to den arrives, the embryo will not implant and it is simply reabsorbed by her body. She will then continue her winter hunting out on the pack ice.
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