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Environmental Science

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I have to determine which kind of natural selection is most likely to begin speciation out of stabalizing, directional and disruptive. I would think Directional, since it favors one extreme which could eventually break away from the norm to the point a new species is formed. I think directional however could also create a new species. Which do you think is more likely to lead to speciation?

  • Environmental Science - ,

    yes, directional can lead to speciation. See the Peripatric example here:

    Yes, speciation can lead to new species, especially if cross mating is stopped.

    But the bottom line, all can lead to specialition over time.

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