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Author Topic:   Evolution would've given us infrared eyesight
NosyNed
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Posts: 8996
From: Canada
Joined: 04-04-2003


Message 14 of 265 (494981)
01-20-2009 11:27 AM


Getting there from here....
I don't see the point made that it doesn't matter at all if IR vision would be very useful to humans. There are lots of things that would clearer be more useful.
It doesn't matter how useful something is if it simply never happens to arise through mutation. Natural selection works with what comes up.
We do row with the oars we have as noted above.
Maybe there happens to be no path from what we have to IR vision.

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 Message 24 by RickCHodgin, posted 01-20-2009 12:27 PM NosyNed has not replied

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