Last modified on 4 January 2015, at 10:09

common ancestor

EnglishEdit

NounEdit

common ancestor (plural common ancestors)

  1. an ancestor that two or more descendants have in common
    The monarchs of Spain and the UK have a common ancestor namely Queen Victoria.
    The chimpanzee and the gorilla have a common ancestor.
    The theory of evolution states that all life on earth has a common ancestor.

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