In human evolution, how did humans get their ears and teeth in the form they have today? Two new studies of Jurassic-era fossils by researchers in China, America and Australia provide new but deep information. This provided important information about how mammals like humans evolved. It was also found out how humans got the ears and teeth that they have today. Both studies yielded a total of four fossils, dating back more than 164 million years. They are all fossils of mammals, a group that includes mammals and their closest…
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