Only from there mother sides
No.
YES, bears are related to pigs more than dogs. Many people find this hard to believe, but it is true. Like humans are related to monkeys, their DNA is the same. The bears and the pigs are both from the swine family. Bears and pigs are related more than bears and dogs are.
only by the fact that their mammals
There is no such thing as a hog bear. Even though females are called sows and males boars, just like with domestic pigs, this in no way acknowledge that bears are pigs, are related to pigs or there are so called "hog bears" out there.
Both pigs and polar bears start with the letter "P"
Bears are in their own category. Raccoons though, are related to bears.
polar bears are not humas but they are mammals just like us
polar bears are related to bears.
penguins,bears,polor bears,chickens and pigs
no weasels and bears are not related
dogs
no bears are not birds so their not related to birds
Girl guinea-pigs are called... I donno do I?