Natures wonders: making spider silk (Introduction)

by David Turell @, Tuesday, August 19, 2014, 01:12 (2108 days ago) @ dhw

DAVID: Yes, I believe in theistic evolution, but that really falls under the umbrella of a form of Creationism. And yes, dabbling has always bothered me. I like your self-inventing built into the mechanism.

dhw: Your approval of the idea, however, has to bring us back to the fact that all organisms are composed of cells. We have no idea what the mechanism is or how it works, but it has to be within the cells, and if they were not preprogrammed for each innovation right from the beginning of life, each invention can only be the result of their ongoing cooperation with one another.

No, the cells don't initiate a cooperation. They are directed to cooperate following a set of rules in a self-inventing mechanism in the genome to respond to changes in the organisms' environment

dhw: You are, of course, free to say that such an inventive mechanism could only have been designed by your God, since it must be immeasurably too complex to have assembled itself by chance. An atheist would still insist it was a lucky break....My concern, though, in these posts has been to find a solution to the problem of innovation in evolution, as exemplified by the Cambrian Explosion. Maybe this is the best so far.

I think it is.


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