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Henry J



Posts: 4013
Joined: Mar. 2005

(Permalink) Posted: Nov. 10 2011,13:10   

As I understand it, speciation just means that the two populations will then accumulate changes independent of each other, i.e., evolve in different "directions".

For two subpopulations to cease regular interbreeding doesn't appear to me to require any great amount of change, and certainly doesn't require that one of them become more complex (whatever that means) than it was.

  
  366 replies since Nov. 08 2011,06:46 < Next Oldest | Next Newest >  

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