Which of the following features is used to id | vedclass

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(D) In male cockroaches,the $9th$ abdominal segment bears a pair of short,thread-like anal styles (caudal styles).These structures are absent in femal

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Presence of caudal styles

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(D) In male cockroaches,the $9th$ abdominal segment bears a pair of short,thread-like anal styles (caudal styles).These structures are absent in female cockroaches.Anal cerci are present in both male and female cockroaches.The $7th$ sternum is boat-shaped in females,not males.Therefore,the presence of caudal styles is the diagnostic feature used to distinguish a male cockroach from a female.

Which of the following features is used to identify a male cockroach from a female cockroach?

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