Earthworms during burrowing, the anterior end becomes turgid and acts

Earthworms During Burrowing The Anterior End Becomes Turgid And Acts Biology Question

Earthworms during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton because

Options

(a) coelomic fluid
(b) blood
(c) gut peristalsis
(d) setae

Correct Answer:

coelomic fluid

Explanation:

Earthworms have no skeleton but during burrowing, anterior end becomes turgid and acts as a hydraulic skeleton. It is due to coelomic fluid. The coelom is filled with an alkaline milky coelomic fluid. This coelomic fliud contains water, salts, proteins and 4 types of cells namely amoebocytes, mucocytes, circular cells and chloragogen cells

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Structural Organisation In Animals (175)
Subject: Biology (4253)

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