All the animals, considered as annelids, contain segmentation in their body. The segments are ringlike that are separated by septa in the body of annelids. These segments involve a pair of excretory organs, a ganglion and a set of reproductive organs (marine annelids). Annelids contain anterior and posterior segments that are light, chemo and a touch receptor. Each segment is connected through a ventral nerve.

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Chapter 33, Problem 5U

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All the animals, considered as annelids, contain segmentation in their body. The segments are ringlike that are separated by septa in the body of annelids. These segments involve a pair of excretory organs, a ganglion and a set of reproductive organs (marine annelids). Annelids contain anterior and posterior segments that are light, chemo and a touch receptor. Each segment is connected through a ventral nerve.

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