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How does shell pattern in limpets show disruptive selection?

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in Biology – Class 12 by (271k points)
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 preyed

I have been asked this question in exam.

My question is based upon Hardy-Weinberg Principle-1 in portion Evolution of Biology – Class 12

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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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