Today, in science lab the class learned about how pollution hurts animals, like bears. The class saw how generation after generation of bears is reduced or grown when there is different kind of pollution. The class saw this by putting 10 yellow or (non-polluted) bears in a bucket with 2 green or (polluted) bears. Then, someone had to pick two bears at a time, if one was green and one was yellow, then the yellow one dies because of pollution. When the class finished 5 generations with only two green bears, then another green bear is added. After, going all the way to 6 green bears, the population of bears went extinct. It's amazing how something that nobody ever thinks of could be so harmful to animals.
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