Sunday, October 27, 2013

Why are polar bears white?: Summary

This article tells of the way polar bears are white or not so white. Polar bears are not actually white, believe it or not. Their hairs are hollow and transparent. They have coat of long hairs of short hair and another of long. Both being clear! They appear to be white because they reflect the ice and snow surrounding them. Polar bears don't always appear white sometimes they look as green as algae. They only are that way if you find a polar bear in a zoo. They usually are near mucky green water or a couple of plants. Giving this green glow. The article even tells about that scientists believe that polar bears are relatives of the brown bears. They believe that polar bears came to the arctic and the way they adapted was to change the color of their hairs. And that's how the white or not so white polar bear came to be.

No comments:

Post a Comment