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What common ancestor do humans and other mammals share?
Question Date: 2011-05-09
Answer 1:

We actually may never know what the first mammal was. But as scientists discover new sets of fossils, we start to get a better idea of our common ancestors with all other mammals. In 2002 researchers discovered a 125 million year-old shrewlike creature that is now extinct that is one of the earliest ancestors of all mammals.


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