[ExI] comments?

John Clark johnkclark at gmail.com
Tue Aug 11 13:46:11 UTC 2020

On Tue, Aug 11, 2020 at 9:15 AM William Flynn Wallace via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> Maybe you are making an argument for the opposable thumb.   bill w

If a species had an opposable thumb (or something like it) then there would
be evolutionary pressure for it to get smarter, but if it was already smart
but had no opposable thumb then there would be no evolutionary pressure to
evolve one. Therfore the thumb must have evolved for other reasons and the
big brain must have come afterwards.

 John K Clark
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