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Meet Luca, the Ancestor of All Living Things


The nature of the earliest ancestor of all living things has long been uncertain because the three great domains of life seemed to have no common point of origin. The domains are those of the bacteria, the archaea and the eukaryotes. Archaea are bacteria-like organisms but with a different metabolism, and the eukaryotes include all plants and animals.

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http://www.nytimes.com/2016/07/26/science/last-universal-ancestor.html

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