IUBio

Dolphin brain

Michael C. Cheney cheney at ucla.edu
Sat Jan 30 04:03:43 EST 1999


In article <v04011700b2d0b1c2274f@[146.226.4.215]>, rhall at uvi.edu (Richard
Hall) wrote:

| Natural selection does not appear to favor humans or dolphins of extreme
| intelligence...at least there is no evidence that the mean has shifted one
| way or the other.  It is only sufficient that animals possess sufficient

What is your basis for this statement?  Are you saying that there is no
evidence that the average human intelligence has changed throughout
evolutionary history?  What time scale are you thinking of, and what
evidence is there that it hasn't changed?


 -mike

-- 
Michael Cheney                                        cheney at ucla.edu



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