Explanation:
In the icy waters, the front paws act as paddles and back as rudders. While polar bears are strong swimmers, sea ice is essential for travel, because it takes a lot of energy to move their bodies through the water. “Swimming has been found to be five times as energetically demanding for a polar bear than walking,” says Bechshoft.
In the icy waters, the front paws act as paddles and back as rudders. While polar bears are strong swimmers, sea ice is essential for travel, because it takes a lot of energy to move their bodies through the water.
Explanation:
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Explanation:
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