moving molecules
Polar bears eat mainly seals, and they derive energy from the food that they eat, as all animals do.
A physical barrier is affecting polar bears. The decrease in polar ice means that there are less seals. Therefore, the bears have to search further and expend more energy in their hunt for food.
No.
Polar bears are at the very top of the pyramid. They are an apex predator.
polar bears need to live, so they have to get energy from other animals.
If polar bears didn't have claws they would be vulnerable to attack from other animals because Polar bears can use their claws to defend themselves. Polar bears can also hunt and find food using their claws therefore Polar bears need their claws to survive!.
use it for food needs
Polar bears use their teeth, claws and strength in their paws and jaws.
Polar Bears in fact need sunlight to keep warm although they have 2 layers of skin
polar bears reproduce sexually which mostly uses egg and sperm equals a baby
polar bears are related to bears.