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Re: Tiktaalik



David Marjanovic wrote:


Well, _actually_, that _is_ a small (though of course rare) change that just _looks_ like a big one morphologically.

Yes. It looks like a big morphological change, because it *is* a big morphological change. Sure, it was caused by a small developmental change; but it's the resulting phenotype that's acted upon by natural selection.


Here's the story.  Jeff did a nice job of summarizing it, I think.

http://www.newscientist.com/article.ns?id=dn6647