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Soft bodied animals like caterpillars often fall prey to voracious hunters like birds or reptiles. Despite having no means to "actively" defend themselves with weapons like claws or jaws, they have nevertheless, evolved other equally effective deterrents. A particular species of the caterpillar lives at an altitude of over 2500 meters in the Himalayas. It uses a prominent colour to inform would be predators of its inedibility. In the event that an inexperienced or adventurous bird did eat the caterpillar, it would probably vomit it soon after and subsequently desist from attacking similar species in future. Though this would do the unfortunate victim no good, the species benefits. This is a rare example of the martyr among animals.

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The expression "other equally effective deterrents" mean

The Correct Option is B

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Experienced birds do not attack the Himalayan caterpillars because they are

The Correct Option is C

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The Himalayan caterpillar uses prominent colours to

The Correct Option is A

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Caterpillars cannot defend themselves because

The Correct Option is D

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