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Re: Species concepts
From: "T. Michael Keesey" <email@example.com>
To: Mailing List - Dinosaur <firstname.lastname@example.org>
Subject: Re: Species concepts
Date: Wed, 17 Mar 2004 16:18:35 -0800 (PST)
--- Brad McFeeters <email@example.com> wrote:
> Has anyone introduced a system similar to the following?
> Fertile offspring = same species
> Infertile offspring = different species of same genus
> No offspring = different genera
> I don't know how much it would alter existing classifications, but
> some objective definition of genera would be good.
The problem here is: suppose A can breed with B, and B can breed with C,
cannot breed with C. Is B in the same species as A or C?
(Not to mention the inapplicability to asexual organisms.)
Sure, but those are problems with the Biological Species Concept in any
form, not just of the "Biological Genus Concept".
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