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S1: Of the various kinds of insect defences that of the North American fungus - eating beetle is quite unusual.P: Both ants as well as mammals such as deer mice feed on this beetle.Q: This little beetle is able to recognise the kind of predator coming towards it and accordingly adopts a suitable defence.R: When facing a deer mouse, the beetle secretes an irritant from certain glands in its abdomen.S: While the beetle simply rolls itself into a compact ball in the face of an ant attack, it copes with the deer mouse differently.S6: The beetle's chemical secretion keeps the deer mouse at bay.The Proper sequence should be:

A. QSR
B. RQS
C. PSR
D. RPS
Answer» D. RPS


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