From: "Gary Britt" 

You are correct and yet not correct.  You describe differentiation *within*
a species for the most part, but the *heart* of evolution is that stuff
that is not alive given enough time becomes a human being without the need
for any intelligent intervention or direction at any point.

Gary


"John Beckett"  wrote
in message news:427c3352.8164970{at}216.144.1.254...
> "Gary Britt"  wrote in message
> news::
> > OK Evolution is nothing (no life) over time becoming a human being
without
> > any intelligent intervention.  Perfectly logical.
>
> I was being picky about the suggestion that the word "evolution" only
> refers to one species becoming another species. In fact, evolution is
> about minuscule changes that occur in each generation, with, on average,
> some changes leading to more offspring, while others lead to less.
>
> So, evolution within a species happens continuously. It's only if groups
> from a species become isolated from each other that evolution can proceed
> so far that members from the two isolated groups (after maybe 100,000
> generations) cannot (or will not) reproduce with each other. (The failure
> to reproduce being the defining characteristic of a species.)
>
> John
>

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