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What is the median mid dorsal line present along the length of an earthworm?

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in Biology – Class 11 by (272k points)
What is the median mid dorsal line present along the length of an earthworm?

(a) Dorsal blood vessel

(b) Dorsal root ganglion

(c) Prostomium

(d) Clitellum

I had been asked this question in class test.

My question is based upon Animals Structural Organisations topic in section Structural Organisations in Animals of Biology – Class 11

1 Answer

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Best answer
Right option is (a) Dorsal blood vessel

The best explanation: The dorsal blood vessel is present along the length of the earthworm’s body. It is seen as a dark median line. Prostomium covers the mouth while clitellum is a band of glandular tissue covering the 14^th to 16^th segments.

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