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Earthworms have no skeleton but during burrowing, the anterior
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Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to

A
gut peristalsis

B
setae

C
coelomic fluid

D
blood.

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Updated on: Feb 16, 2023

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33 Years NEET-AIPMT Chapterwise Solutions - Biology 2020 (MTG)

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Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to
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(c) : Hydraulic skeleton is the system of support found in soft bodied invertebrates, which relies on the incompressibility of fluids contained within the body cavity. In earthworms the coelomic fluid is under pressure within the coelom and therefore provides support for internal organs. Due to hydraulic skeleton, during burrowing, the anterior end becomes turgid and aids in relaxation of longitudinal muscles.
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Question Text
Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. It is due to
Updated OnFeb 16, 2023
TopicStructural Organization in Animals
SubjectBiology
ClassClass 11
Answer TypeText solution:1 Video solution: 2
Upvotes305
Avg. Video Duration3 min