There are a number of '''theories of evolution'''. In 2000, scientist Simon Conway Morris wrote in the peer reviewed [[science]] journal ''Cell'': "When discussing organic [[evolution]] the only point of agreement seems to be: 'It happened.' Thereafter, there is little consensus, which at first sight must seem rather odd."<ref>{{cite web |url=http://www.sciencedirect.com/science/article/pii/S0092867400816797 |title=Evolution: Bringing Molecules into the Fold |accessdate=2015-08-31 |last=Morris |first=Simon Conway |date=2000-01-07 |work=Cell |publisher=Elsevier |doi=10.1016/S0092-8674(00)81679-7 }}</ref> | There are a number of '''theories of evolution'''. In 2000, scientist Simon Conway Morris wrote in the peer reviewed [[science]] journal ''Cell'': "When discussing organic [[evolution]] the only point of agreement seems to be: 'It happened.' Thereafter, there is little consensus, which at first sight must seem rather odd."<ref>{{cite web |url=http://www.sciencedirect.com/science/article/pii/S0092867400816797 |title=Evolution: Bringing Molecules into the Fold |accessdate=2015-08-31 |last=Morris |first=Simon Conway |date=2000-01-07 |work=Cell |publisher=Elsevier |doi=10.1016/S0092-8674(00)81679-7 }}</ref> |