which of the following is absent in 16th segment of peretima a nephridiopore b genital papille c interstine d septal nephridia
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The female genital pore of Pheretima posthuma located upon the 14th segment. The body is made of 100 to 120 segments, of which the first segment is divided into an anterior prostomium and posterior ring-like peristomium. Segments 14-16 form a girdle-like thick band of glandular tissue called as clitellum that secretes mucus, albumen and cocoon inside, which eggs are laid
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