Hi Doug
Fire away.... we're always re-chewing old bones here on the discussion
list... :o)
I tried to answer Bob DeHaan's ideas when he brought them up on the List,
but I think I stumbled over my feet.
Adam
>From: Doug Hayworth <hayworth@uic.edu>
>To: asa@calvin.edu
>Subject: Dehaan's Top-down phylogenesis
>Date: Wed, 14 Jun 2000 13:44:27 -0500
>
>Since I'm new to this discussion group, I was wondering if there was ever
>any discussion here of Robert Dehaan's PSCF paper from a while back:
>
>DeHaan, R., 1998. Do phyletic lineages evolve from the bottom up or develop
>from the top down? Perspectives on Science and Christian Faith
>50(4):260-271.
>
>(I think Dehaan is a part of this discussion group. If so, my greetings to
>you personally). While I enjoy contemplating the parallels and
>relationship between ontogeny and phylogeny, I have some major problems
>with the paper. In brief, I believe that it is at odds with a great deal
>of evidence of about speciation and common ancestry (i.e., the FULL range
>of macroevolution, from speciation to manifestation of groups of species
>lineages we chose to recognize as higher-level taxa.).
>
>I will have more to say if it hasn't already been said by others.
>
>Doug
>
>//////////////////////////////////////////////////////////
>Douglas Hayworth, Ph.D.
>(Evolutionary and Population Biology)
>Department of Biomedical Sciences
>UIC College of Medicine at Rockford
>1601 Parkview Avenue, Rockford, IL 61107-1897
>Phone: 815-395-5894 Fax: 815-395-5666
>/////////////////////////////////////////////////////////
>
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