Question

How do polar bears live in polar reasions ?

Answer 1

they have their body structure which adapts to that particular region. for example it has furs which gives insulation

Answer 2

If polar bears and penguins lived together, polar bears would eat the penguins. But this is a secondary point. The main point is that polar bears live in the Arctic, which is the northern circumpolar region. Penguins live in the Antarctic which is the extreme southern polar region.