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The epidermal pits in the middle of each segment of the earthworm contains _____

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in Biology – Class 11 by (272k points)
The epidermal pits in the middle of each segment of the earthworm contains _____

(a) setae

(b) clitellum

(c) nephridiopores

(d) typhlosole

This question was posed to me in a national level competition.

My enquiry is from Animals Structural Organisations topic in chapter Structural Organisations in Animals of Biology – Class 11

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Correct answer is (a) setae

Easy explanation: The location of setae is mid – segmental in the epidermal pits. They are S – shaped and present in rows. The main function of the setae is to help with locomotion. They are extendable and retractable.

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