::: Okay, I'll accept that. But then what evidence is there that it is an evolutionary adaptation rather than a design feature? [[User:Philip J. Rayment|Philip J. Rayment]] 20:55, 10 March 2008 (EDT) | ::: Okay, I'll accept that. But then what evidence is there that it is an evolutionary adaptation rather than a design feature? [[User:Philip J. Rayment|Philip J. Rayment]] 20:55, 10 March 2008 (EDT) |