In Antartica, Polar Bears have to compete to stay alive, the fattest one usually has the longer live. Global Warming is the thing that threatens their live, the ice is melting and not giving the Polar bears a proper place to live. The ploar bears migrate around to find places with more food and shelter. A new studies has shown that the average polar bears must consume thousands of calories. During November to December, the sea ice starts to melt and the polar bears migrate to a different area. When the polar bears are gone from their original habitat. Scientists have noticed how Polar bears have evolved from being predators.
Some of the Polar bears might not see any food for long while and when they do they probably are weak,because they don't have enough energy. They will end up dead. The polar bears have to eat as much as they can ,so they could survive the harsh climates of the winter. Dr. Cherry Ross ahs done some investigations on the polare bears and how they interact with each other. The Polar bears now have learned how to adapt to land from when the sea ice has melts they have another place to go. I think the polar bears need to do more adapting if they want to become an ever-lasting species.
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