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.
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.
polar bears are related to bears.
Polar bears do.
They reproduce.
POLAR BEARS Polar bears actually grow pretty fast.
Polar bears are bears
Polar bears are mammals.
humans are polar bears
A sleuth or a sloth of bears