On 1/11/2011 7:55 AM, Invisible wrote:
>> The difficulty of classifying B in the example also demonstrates the
>> completely fuzzy line between when a species becomes another species.
>> If you trace the ancestry of a modern species back to an ancestral
>> species
>> which spawned one or more other modern species, it's hard to define when
>> exactly the modern species became to exist exactly.
>
> Ring species show fuzziness in the spatial domain, ancestor trees show
> it in the temporal domain. Either way, the problem remains the same: how
> to map discrete names to continuous phenomena?

Seen at least one statement to the effect that "tree" isn't an accurate 
description at all, but rather the complex braiding you see at a river 
delta. It might split off in totally different directions at some 
points, but a lot of stuff close together is prone to flow back and 
forth between channels, maybe even "drifting" back together, when 
previously separate (though, so far we don't see any obvious examples of 
that).


-- 
void main () {

     if version = "Vista" {
       call slow_by_half();
       call DRM_everything();
     }
     call functional_code();
   }
   else
     call crash_windows();
}

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