Well, sort of. Keeping warm requires energy, and to get energy the bear needs to eat. If it doesn't get food it'll eventually die of exposure. But a healthy, well-fed bear can stand pretty much any naturally occurring cold temperature.
No they can not because they will overheat, and die.
Polar bears need to survive with water, food, nutrients, and they are fur to stay warm
because they fur so they make the body warm
they have thick fur and the mummys keep them warm
Polar bears have adapted to the cold. It's too warm in the rainforest.
It helps keep polar bears warm throughout the cold winters of the north.
Polar Bears are mammals and thus warm-blooded.
Polar bears, like all mammals, are warm blooded.
because they need warmth to survive and fat on their legs keeps their legs warm
Polar Bears are warm blooded mammals....as are all bears.
Polar bears love the cold , they would not thrive in a warm climate
No. The polar bears have lots of fur to keep them warm in the Arctic. They wouldn't be able to survive in Hawaii, Florida etc.