ICY SCIENCE: SCIENCE SPACE ASTRONOMY Spring 2014 | 页面 62

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species of dogs in just thousands of years. Polar bears have naturally evolved from grizzly bears to adapt to
their harsh environment. We have artificially modified various food products – wild mustard, corn, and various
fruits and flowers.

Source: https://sites.google.com/site/selectivebreedingofplants/

ICY SCIENCE | QTR 2 SPRING 2014