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1. |
Which of the following features is used to identify a male cockroach from a female cockroach? |
A. | Forewings with darker tegmina |
B. | Presence of caudal styles |
C. | Presence of a boat shaped sternum on the 9th abdominal segment |
D. | Presence of anal cerci |
Answer» C. Presence of a boat shaped sternum on the 9th abdominal segment | |