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January 21, 2006

The story of the eye

With a nod to Darwin made unawares, Creationists often cite the eye as a problem for those espousing a theory of natural selection. It turns out that not only has the miracle of the eye evolved twice but it seems the cephalopods, having no "blind spot", are in possession of the superior model. Ia! Ia! Cthulhu ftagn!

So, if there is a Creator, He seems to have done the job twice, once poorly (with vertebrates), and once well (with the cephalopods). It's unreasonable to consider the poor design as the final one. It seems clear that the vertebrate eye must have been a prototype, and the cephalopod eye is the improved design.

This by itself is suspicious, but it's not the whole story. Consider that, while we humans claim that the planet was built for us, it is roughly 3/4 salt water. If you measure the areas that we humans actually inhabit in any significant numbers, we are talking about maybe 5% of the globe. The giant squid (Architeuthis dux) is at the top of the food chain over roughly 70% of the globe. When you consider the actual volume of the inhabited space, the giant squid has a home range many thousands of times greater than ours.

(via Chapel Perilous)

Posted by Ghost of a flea at January 21, 2006 09:01 AM

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