I'm pretty sure they're specialists. They can't survive in a warmer climate than the north, and once the artic ice starts mealting they will DIE.
generalist
bureaucrats are generalist or specialist
No. They are specialists, primarily preying on krill.
Generalists eat whatever comes along, while specialists are adapted to one or only a few different foods.
If it melts, polar bears won't have natural habitat.
Specialists depend on one species for their food. If that species were to disappear, they would have no food source.
polar bears are related to bears.
Polar bears do.
They reproduce.
POLAR BEARS Polar bears actually grow pretty fast.
Polar bears are mammals.
humans are polar bears