A polar bear lives in the cold and a bear can live any where.
The difference is that one is a family and one is a class. Other than that, there really is no difference, they both define bears.
The Difference between mutualism And commensalism is that mutualism is a relationship between two species in which both species benefit and Commensalism is a relationship between two organisms in which one organism benefits and the other is unnaffected.
There is no notable difference in gender appearance between the male and female Bewick's Wren, or even between the adult and juvenile.They can, however, be distinguished from other Wren species by the sideways "flitting" of their tail feathers.
Bears are in their own category. Raccoons though, are related to bears.
electrophiles are the electron deficient species whereas nucleophiles are the electron rich specie .the other difference is that electrophiles are the electron loving species and nucleophile are electron hating.
Humans are the most formidable enemy of bears. Other enemies depend on the species. For brown and black bears, they include wolves and other bears. For sloth bears, they include tigers and leopards.
Some other animal species that live with Polar bears are:WolvesSealsHareWalrusHumansetc.
interspecific relationship is when two or more different species interact with each other. while intraspecific is the interaction between the same kind of species. :)
Humans.Grizzly bears do when there's not enough food.I'm sure there are other species as well.
squirrel...i know beavers are rodents ....yup
Other bear species, in particular the brown bear.
Grizzly bears don't affect the life of polar bears. They are just the same type of species living in a different area . They have no effect on each other.