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How Aquatic Sloths Adapted to Their New Life in the Sea
For four million years, Peru’s ocean shores hosted several species of large aquatic sloths. Now, fossils tell the story of critters that gradually became more aquatic – in essence, reversing the evolutionary trend that saw our distant ancestors emerge from ...
Source: Wired
Posted on:
Wednesday, Mar 12, 2014, 7:40am
Views: 1115