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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>All==<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I want to call attention to Dave’s quandary at the end of his last message to me. If genes are not “for” traits but for processes, how does natural selection manage to “pick out” traits. How do you take a vastly interacting causal web and get additivity of variance out of it. It seems to me that Steve’s pathway talk might lead to an answer to that question. Of what process is natural selection the PRODUCT? Who or what selects the selector? <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Nick <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Nick Thompson<o:p></o:p></p><p class=MsoNormal><a href="mailto:ThompNickSon2@gmail.com"><span style='color:#0563C1'>ThompNickSon2@gmail.com</span></a><o:p></o:p></p><p class=MsoNormal><a href="https://wordpress.clarku.edu/nthompson/"><span style='color:#0563C1'>https://wordpress.clarku.edu/nthompson/</span></a><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From:</b> Friam <friam-bounces@redfish.com> <b>On Behalf Of </b>Eric Charles<br><b>Sent:</b> Sunday, March 14, 2021 11:01 PM<br><b>To:</b> The Friday Morning Applied Complexity Coffee Group <friam@redfish.com><br><b>Subject:</b> Re: [FRIAM] Spandrel<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Steve, <o:p></o:p></p><div><p class=MsoNormal>Yes exactly! Humans were not selected "for noses." Humans were (the argument goes) selected for shorter jaws. The "protruding" nose is what you end up with after selection shrinks the jaw. So, if you notice that humans have noses, and you jump straight to asking "Why did protruding noses evolve? What adaptive function do they serve?" you are barking up the wrong tree. Ditto impacted wisdom teeth. It would be pretty silly to assert that impacted wisdom teeth were adaptive, even though they likely resulted from natural selection through the same pressures that led to noses.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Now, the problem with the "nose" example is that, given the variation in noses around the world, it is actually quite plausible that nose size and shape IS adaptive. But that's a different issue ;- ) <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mon, Mar 15, 2021 at 12:50 AM Steve Smith <<a href="mailto:sasmyth@swcp.com">sasmyth@swcp.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal>Nick -<br><br>Not to beat a dead Spandrel, but the nose example doesn't wash with me. <br><br>In many familiar animals, the nose is perched on the end of a snout, and<br>it was the snout that was deprecated in us to the point that the<br>nostril-holes with various adaptive properties (downward facing to keep<br>rain out, hair-lined and snotty to trap dust and pollen, (mildly)<br>turbinated to support humidity/temperature regulation, sensitive to<br>support "feeling" things with one's proboscis before we smash the whole<br>face into it, loaded with chemically sensitive cells for "smell", etc)<br>are highly diminished compared to various creatures like a daschund or<br>an elephant or an anteater. Our nose still has significant affordances<br>similar/familiar to those listed above (serviceable smeller, filter,<br>heat/humidity exchanger, etc ) even if it is not at all prehensile or<br>particularly discriminating and if humans have a snout at all, it is a<br>highly diminished one. <br><br>I suspect references to "being nosy" and "sticking our noses in other's<br>business" is borrowed from watching our snoutful familiars like horses<br>or camels or racoons or dogs "nosing around". The proboscis of our nose<br>*points* where our eyes are looking (somewhat) so that conflation may be<br>mildly meaningful?<br><br>Does "butting out" connote backing out butt-first when one recognizes<br>their nosing around isn't welcome?<br><br><beep><beep><beep><br><br> - Sneeze<br><br><br><br>- .... . -..-. . -. -.. -..-. .. ... -..-. .... . .-. .<br>FRIAM Applied Complexity Group listserv<br>Zoom Fridays 9:30a-12p Mtn GMT-6 <a href="http://bit.ly/virtualfriam" target="_blank">bit.ly/virtualfriam</a><br>un/subscribe <a href="http://redfish.com/mailman/listinfo/friam_redfish.com" target="_blank">http://redfish.com/mailman/listinfo/friam_redfish.com</a><br>FRIAM-COMIC <a href="http://friam-comic.blogspot.com/" target="_blank">http://friam-comic.blogspot.com/</a><br>archives: <a href="http://friam.471366.n2.nabble.com/" target="_blank">http://friam.471366.n2.nabble.com/</a><o:p></o:p></p></blockquote></div></div></body></html>