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Evolution of the polar bear 7 Articles

  • 1 of 7

    by Tammy L Mahan

    Evolution of the Polar Bear It is believed by zoologists, that the polar bear evolved from a species of brown bears in Siberia, making polar bears the eight species of bears in the world. With the shifting of polar ...read more

  • 2 of 7

    by Jane Allyson

    The evolution of the Polar Bear has been well documented through the preservation of fossils and their relation to the different layers of sedimentary rock they have been discovered lying in. It can be seen that about 1...read more

  • 3 of 7

    by Cathy Linton

    Polar bears as with all bears alive today evolved from the Ursavus who inhabited Asia 22 million years ago, and was the ancestor of all bears. Polar bears began evolving from brown or grizzly bears about 300,000 yrs ago. ...read more

  • 4 of 7

    by Ernie Yap

    This is still a highly controversial topic amongst evolutionists; for the Polar Bear does not really fit into the principles of natural selection very well, unless the history of the Earth is altered somewhat; which by the...read more

  • 5 of 7

    by Aldo Bonincontro

    The polar bear lives along all the coasts of the Arctic Sea, but the 70% of the individuals are concentrated in the North American Arctic coasts. His body is particularly well adapted to the extreme conditions of his habi...read more

  • 6 of 7

    by Ray Fauteux

    The trail of the polar bear is traced back over 200,000 years to a time when some very unfortunate brown bears became trapped by glaciers. Many died on the ice, but some did manage so survive and perpetuate their populatio...read more

  • 7 of 7

    by Steven Pike

    It is thought that polar bears have evolved from the brown bear. Thousands of years ago, somewhere around the Ice Age, a population of brown bears became dependent on the abundance of seals in the icy waters of the north....read more

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