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Anonymous
>>because species don't increase in complexity / "perfection"
Right they adapt towards higher fitness, this is not always towards more complexity or "perfection."
As far as birds go most laymen would consider the kiwi far from perfect, it can't fly, it has lost "complexity" or "perfection," but it was well adapted to conserving energey wasted on flight in a land without enemies. Of course now the kiwi sucks ass thanks to cats, dogs, ferrets and shit.
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