1. Cloning
... animals. Over millions of years, thousands of different species have gone extinct. Most were due to "natural selection", while several others were due to human intervention. According to the Encarta Encyclopedia, 1997, "nearly two-thirds of all the native bird species and one-tenth of the native plants originally found on the Hawaiian Islands have gone extinct recently. Most of these ... organs to transplant into sick humans". This would be much easier, because you don't have to wait for an organ donor. Cloning can also recreate certain genetically engineered animals that carry helpful ...
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- Grade Level: High School