What makes Polar bears prefer the cold as opposed to other bears?

Question

What makes Polar bears prefer the cold as opposed to other bears?

In: Biology

Answer 1

As stated before fur is clear and hollow.

And it wasn’t one mutation where a bear was all of a sudden white. A lighter fur bear along with his other bear mates was able to hunt and not be seen as easy. The darker bears couldn’t survive and thevlighter bear thrived and survived to pass
on its genes. Slowly over time the lighter colored bears could continue to expand into untapped hunting grounds.
Where as darker bears couldn’t prosper.

Lighter and lighter over generations the Polar Bear survives and slowly turns white due to being able adapt to its environment.