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Question

A special feature of evisceration (autotomy) is found in

A
Chordata
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B
Echinodermata
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C
Annelida
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D
Coelenterata
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Solution

The correct option is B Echinodermata
Evisceration is a method of autotomy involving the ejection of internal organs used by animals as a defensive strategy. The sea cucumber, phylum Echinodermata, possess this property of self-evisceration. When a sea-cucumber is attacked, it may expel some of its internal organs. This could either satisfy a predator or scare it off. The cucumber will then proceed to grow another set of organs (regeneration)
So, the correct answer is option B.

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