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How does shell pattern in limpets show disruptive selection?(a) The shell pattern is yellowish and discontinuous(b) Light-colored limpets were preyed(c) Tan colored limpets were preyed(d) Intermediate colored limpets were preyedI have been asked this question in exam.My question is based upon Hardy-Weinberg Principle-1 in portion Evolution of Biology – Class 12

Answer»

The correct choice is (d) Intermediate COLORED limpets were PREYED

Best explanation: Limpets shell has a CONTINUOUS pattern with COLOR ranging from pure white to dark TAN. They either attached to white gooseneck barnacles or to tan colored rocks. The light-colored limpets camouflaged with white barnacles while tanned limpets camouflaged on tan-colored rocks. But, the limpets with intermediate shell patterns were conspicuous and were preyed by predatory shorebirds.



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