A) reproduction
B) helping in respiration
C) helping in locomotion
D) forming a wall of cocoon
Correct Answer: D
Solution :
In mature earthworm, a girdle like thick bond of glandular tissue called the clitellum, permanently surrounds the segments 14 to 16. The clitellum secretes mucus, albumen and an egg case or cocoon for eggs.You need to login to perform this action.
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