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Re: Tiktaalik
Scott Hartman wrote:
But today biologists generally accept that large changes in body plan
result from the accumulation of many small changes over time; there is
scant evidence for even a weak version of Goldschmidt's "Hopeful Monster"
form of phenotypic saltation.
Perhaps not. Check out Karen Sears' evo-devo work on bat fingers...
http://dml.cmnh.org/2004Nov/msg00242.html
http://dml.cmnh.org/2004Nov/msg00186.html