They are affected by humans because humans are careless and dont care abuot nature
They will eat. They need to gain weight from the fasting they had to do while sleeping so long. Then after they have put on some weight, if they are old enough they will look for a mate.
The polar bear.
Male bears will eat cubs if they find them. While savage, it ensures that the male has less competition for limited food resources; it is up to the female to defend the cubs, even though they may be the offspring of the offending male. This behavior is well-documented in grizzly bears. Otherwise, bears typically stay away from one another. some male Black Bears will kill and eat cubs. they are capable of eating anything but not usually cannibalistic. 1) No.
2) Do they? No. Can they? Yes.
Bears are known to live in deciduous forests. Different types of bears that live in these biomes are black, grizzly, brown, and Kodiak.