Article
Crab scars reveal survival advantage of left-handed snails.
Biology letters - 22 Sept 2006
Dietl Gregory P, Hendricks Jonathan R
Abstract excerpt
Biological asymmetries are important elements of the structure and function of many living organisms. Using the Plio-Pleistocene fossil record of crab predation on morphologically similar pairs of right- and left-handed snail species, we show here for the first time, contrary to traditional wisdom, that rare left-handed coiling promotes survival from attacks by right-handed crabs. This frequency-dependent result...
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