In Polychaeta , the setae are

What are setae?

What are setae?

In earthworm, setae are absent in the segments.

The principal role of the setae in earthworm is

Assertion In earthworn, setae are formed by a horny nitrogenous organic substance. Reason. Setae are present in persitomiun, pygidium and clitellum only.

In earthworm setae are present in all segments except

In earthworm setae are present in all segments except