Article View: sci.bio
Article #1320Re: Further Evolving Eyebrows
From: Ronald A. Amundson
Date: Tue, 06 Nov 1990 03:24
Date: Tue, 06 Nov 1990 03:24
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In article <1990Nov4.012021.27368@umigw.miami.edu> jack@molbio.med.miami.edu (Jack Kramer) writes: > >I'm curious. I thought there were only natural and artificial selection >processes. Why isn't sexual selection a natural process when it occurs >in natural populations in the wild that are not under the control of >human breeders? Not that I approve of all of this Daily News style just-so-story- mongering about "evolutionary explanations" of eyebrows, but it might reduce FURTHER confusion to mention that "natural selection" is the _name_ of an evolutionary process. The fact that some other process isn't _named_ "natural" doesn't mean that it's "unnatural." Sexual selection was distinguished from natural selection by Darwin, although some people (including S.J. Gould, but I think he's mistaken) now classify it as a form of natural selection. Sexual selection adapts a lineage of organisms to the environment of their intra-species reproductive environment; natural selection (in D's original sense) adapts a lineage of organisms (within a species) to their outside-the-species environment. Politicians who are not Democrats may still believe in democracy. Summer's Eve douches can be used in the winter. Big Boy hamburgers are not made out of .... [Your correspondent wanders off towards the horizon, babbling softly to himself ......]
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!munnari.oz.au!uhccux!uhunix1.uhcc.Hawaii.Edu!ronald From: ronald@uhunix1.uhcc.Hawaii.Edu (Ronald A. Amundson) Newsgroups: sci.bio Subject: Re: Further Evolving Eyebrows Message-ID: <10174@uhccux.uhcc.Hawaii.Edu> Date: 6 Nov 90 03:24:53 GMT References: <1371@cluster.cs.su.oz.au> <2431@anaxagoras.ils.nwu.edu> <4278@lib.tmc.edu> <1990Nov4.012021.27368@umigw.miami.edu> Sender: news@uhccux.uhcc.Hawaii.Edu Organization: University of Hawaii Lines: 28