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'''Common descent''' is an idea in [[Biology]] which is applied on two levels, with a group of species being said to share a recent common ancestor, or the broader conjecture which asserts that all organisms on earth originated from common ancestors. The idea of common descent is usually associated with Darwin's [[Theory of Evolution]].

'''Common descent''' is an idea in [[Biology]] which is applied on two levels, with a group of species being said to share a recent common ancestor, or the broader conjecture which asserts that all organisms on earth originated from common ancestors. The idea of common descent is usually associated with Darwin's [[Theory of Evolution]], but creationists often suggest it as a solution to the difficulty of the Ark capacity limit.

Darwin wrote:

Darwin wrote: