"John Edser"  wrote in message
>
> For 100% fitness altruism to be a reality a form must
> FIRSTLY be fertile and then change into just a sterile form,
> remaining sterile until it dies. To my knowledge not a
> single organism exists in nature that does this.
>
So close you missed it. Try females of your own species.
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 * RgateImp.MoonDog.BBS at 9/2/03 3:12:34 PM