Why do polar bears have fat under their skin?

Introduction: The Arctic’s Iconic Predator

Polar bears are one of the most iconic predators of the Arctic. Known for their thick, white fur and massive size, these creatures are perfectly adapted to living in one of the harshest environments on Earth. One of the key adaptations that enables polar bears to thrive in the Arctic is their ability to store large amounts of fat under their skin.

The Role of Fat in Polar Bears’ Survival

Fat plays an essential role in the survival of polar bears. These animals need to be able to maintain a steady body temperature, even in the extreme cold of the Arctic. Fat acts as an insulator, helping to keep a polar bear warm by trapping heat close to the body. Additionally, fat serves as a source of energy during times when food is scarce, such as during the long, dark Arctic winters. Polar bears rely on their fat reserves to see them through periods of fasting and hibernation.

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