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Biology 15 Online
OpenStudy (anonymous):

Order of organisms in terms of their appearance on earth ?

OpenStudy (blues):

Hi, do you have a list of specific organisms to order - or are you interested just in the general progression of things?

OpenStudy (lanre):

This question was taken from this link: http://www.chacha.com/question/which-is-the-correct-order-of-organisms-in-terms-of-their-appearance-on-earth. And the answer provided was: Biologists generally regard the universality and ubiquity of the genetic code as definitive evidence in favor of the theory of universal common descent for all bacteria, archaea, and eukaryotes.

OpenStudy (lanre):

Always make reference to any site quoted.

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