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Question
The structure in earthworm which serves as a wedge to force open cracks in the soil is
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Solution
The correct option is D Prostomium
The anterior end of earthworm consists of the mouth and the prostomium, a lobe which serves as a covering for the mouth as a wedge to force open cracks in the soil into which the earthworm may crawl. The prostomium is sensory in function. So, the correct answer is 'Prostomium'.
The anterior end of earthworm consists of the mouth and the prostomium, a lobe which serves as a covering for the mouth as a wedge to force open cracks in the soil into which the earthworm may crawl. The prostomium is sensory in function.
So, the correct answer is 'Prostomium'.
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