@JayMan471 @hbdchick
Do you think 'group selection' occurs. I know Pinker and Dawkins poo poo it. Do you agree with them?
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@hbdchick@JayMan471 Ok, so probably semantic difference whose subtlety I do not grasp yet? -
@PoseidonAwoke@hbdchick Think of it this way: traits always evolve to benefit individuals and kin. So start there when figuring origin. -
@JayMan471@hbdchick So selection acts on individuals, but may yield social behaviors which benefit the group as a whole? -
@PoseidonAwoke@JayMan471 or that may benefit many or most of the other individuals in that same group, yes. -
@hbdchick@JayMan471 But this 'benefit to most individuals' is not 'group selection'? Though it may make one population out-compete another? -
@PoseidonAwoke@JayMan471 right. 'cause natural selection did not actually work on the group, but on the individuals *within* the group. -
@hbdchick@JayMan471 I think I see the difference. 'Selection' is used precisely. Individual selection can increase 'inclusive fitness'? -
@PoseidonAwoke@KalishJantzen there is, of course, plenty of debate over individual vs. group selection, tho: http://en.wikipedia.org/wiki/Unit_of_selection … but... - 1 more reply
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@hbdchick@PoseidonAwoke Precisely. -
@JayMan471 had lots of coffee already, so the ol' brain is firing on most of its cylinders. (~_^) -
@hbdchick That can be a force to be reckoned with. ;)
End of conversation
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