>
> I don't understand how you can overlook the fact that
> every test of rb=c has failed.  In fact it's impossible
> to test rb=c because it maintains assumptions which
> themselves are impossible to confirm in reality.
>
The problem is that the only "currency" is surviving offspring.
The best way
of measuring is counting grandchildren, however this is very difficult to do
in a field situation.
In a lab it is relatively easy to manipulate a situation so that something
is worth 100 calories to a test animal and 200 to his sibling. However such
experiments don't represent situations that the animal would experience in
its normal life.
An exception might be food sharing by vampire bats, when quantity of food
transferred and value, in terms of hours flying time before death, can be
measured. However generally altruism by animals is very hard to measure. rb
> c seems to be soundly based theoretically, even if empirical evidence is
thin on the ground.
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 * RgateImp.MoonDog.BBS at 9/23/03 6:31:16 AM