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Path: utzoo!watmath!clyde!burl!ulysses!allegra!bellcore!decvax!mcnc!bch
From: bch@mcnc.UUCP (Byron Howes)
Newsgroups: net.origins
Subject: Re: Behavior & Evolution
Message-ID: <457@mcnc.mcnc.UUCP>
Date: Fri, 5-Apr-85 10:20:17 EST
Article-I.D.: mcnc.457
Posted: Fri Apr  5 10:20:17 1985
Date-Received: Sun, 7-Apr-85 03:52:14 EST
References: <177@ihlpa.UUCP>
Reply-To: bch@mcnc.UUCP (Byron Howes)
Distribution: net
Organization: North Carolina Educational Computing Service
Lines: 19
Summary: 

In article <177@ihlpa.UUCP> lew@ihlpa.UUCP (Lew Mammel, Jr.) writes:

>All this means, Ken, is that behavior creates selective pressures, just
>as environment does. For example, tool usage will cause selection for
>hands better adapted to grip.

Not quite.  It's important to be accurate here.  It isn't tool usage
that causes selection for hands better adapted to grip, it is the
survival advantage that individuals with better adapted hands have
because they can use tools more efficiently and more accurately. The
genetic component of "good hands" thus has a greater probability of
being passed on to the next generation.

This isn't a flame, only a clarification.

-- 

						Byron C. Howes
				      ...!{decvax,akgua}!mcnc!ecsvax!bch