There are not many animals that would prey on a Grizzly Bear because of its size but, humans are the main predator unless the bear is hurt or young. When they are hurt or young almost any carnivore can become a predator.
At present grizzly bears only have bigger grizzlies as predators. Interestingly they have many characteristics of secondary predators - a predator that gets eaten by something else bigger and nastier than they are. What would that be? About 10,000 years ago the last of the Noth American short faced bears (Arctodus simus and Arctodus pristinus) became extinct. They customarily ate grizzlies and anything else they could find.
Human and bigger bears
Only man and larger bears would attack an adult.
they are predators because of their extremely sharp teeth
Grizzly bears are an apex predator; thus they are at the very top of the food chain.
Its both it is a prey by one mammal, The Human. It also preys on other animals like Moose, Caribou, Elk, Deer, Bison, and even Black Bears.
grizzly bears are in lots of danger
Grizzly Bears are not extinct.
Yes, grizzly bears are mammals.
Grizzly bears are vertebrates.
A grizzly bear is a predator, not a parasite. Parasites attach themselves, in one way or another, to larger creatures, whom they depend upon and generally do not kill. Grizzly bears kill and eat smaller creatures.
Grizzly Bears have caves as homes.
No. Grizzly bears are a subspecies of Brown bears, so that although all Grizzly bears are Brown bears not all Brown bears are Grizzly bears.