the "sharp teeth" assumption is a silly one, because it requires evolution of earth-like mouths, digestive systems, etc. There is no reason whatsoever to assume evolution would take this course in two independent "trials."
Perhaps so, but I guess Simon Conway Morris would disagree here. He might point out the independent evolution of the camera eye in multiple phyla, or any of these: http://en.wikipedia.org/wiki/List_of_examples_of_convergent_evolution. His view is certainly an extreme one but it's backed up by extensive evidence and shouldn't be dismissed off-hand.
[link]
Thoughts on this?
Conway Morris is a big hitter in the scientific establishment. He is, however, a theist, and has "argued against materialism" according to wikipedia. But what are his arguments? Alas the press piece doesn't say. Kudos to anyone who finds the conference and posts the arguments.
“It is difficult to imagine evolution in alien planets operating in any manner other than Darwinian,"
Is this just an instance of a slightly woo scientist-theist failing to take into account that nature might be more imaginative than him?