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Old 10-27-2010, 06:33 PM   #2
Join Date: Feb 2005
Location: Berkeley, CA
Default Re: Would a 9 lb sapient spider producing 1/10 lb of silk a day suspend your disbelie

A 9 lb spider violates SoD. In terms of silk production, poking around, it takes around 100 kg of mulberry leaves to produce 1 kg of silk, so if we assume similar efficiency, that implies the spider is eating its own weight every day, which sounds high (though as a carnivore, it's eating somewhat higher energy density foods), 1/100 lb sounds more probable.
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