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What is the main role of setae in earthworm?

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in Biology – Class 11 by (272k points)
What is the main role of setae in earthworm?

(a) Storage of food

(b) Respiration

(c) Reproduction

(d) Locomotion

I got this question in a national level competition.

Question is from Animals Structural Organisations in section Structural Organisations in Animals of Biology – Class 11

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Right option is (d) Locomotion

For explanation I would say: The principal role of setae in earthworm is locomotion. It is present in every body segment except the first, the last and the clitellum. Reproduction is carried out by the female and male genital pores present at other segments.

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