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What is present on the 5^th to 9^th segments of the earthworm’s body?(a) Clitellum(b) Peristomium(c) Female genital pore(d) Spermathecal aperturesI got this question in final exam.My question is from Animals Structural Organisations in portion Structural Organisations in Animals of Biology – Class 11 |
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Answer» RIGHT answer is (d) Spermathecal APERTURES The best I can explain: On the sides of the intersegmental grooves of the 5^th to 9^th SEGMENT, spermathecal apertures are present. They are eight in NUMBER. The peristomium is the first segment while the CLITELLUM is the glandular tissue covering the 14^th to 16^th segment. |
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