english: But it turns out that asymmetry is pretty important, too, and more common than you might think, from crabs with one giant pincer claw to snail species whose shells' always coil in the same direction.
non_english: A izkaže se, da je tudi asimetrija precej pomembna, in bolj pogosta, kot si mislite, od rakov z enimi velikimi kleščami do vrst polžev, katerih hiške se vedno zavijajo v isto smer.