From: William Benzon (bbenzon@mindspring.com)
Date: Wed 28 May 2003 - 21:02:06 GMT
on 5/28/03 4:36 PM, Richard Brodie at richard@brodietech.com wrote:
> Scott wrote:
>
> <<Simply put the parasitic relationship is +-, the commensal relationship is
> +0 and the mutual relationship is ++. The + means fitness or benefit
> inceases where - means these decrease. 0 means no effect. Minkoff's text (p.
> 157) discusses population increases versus decreases and the Lotka-Volterra
> equations.
>
> I don't know how easily these relationships can be parsed in nature.>>
>
> It would seem easy to extend this, then, to gene-meme symbioses. Education,
> for example, is parasitic because it reduces genetic fitness. How about them
> apples?
Well, I've been told that human brain size has decreased over the last
10,000 years.
BB
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