(D) In cockroaches,the $anal$ $cerci$ are paired,jointed,sensory appendages located on the $10^{th}$ abdominal segment.These structures act as sound-r

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(D) In cockroaches,the $anal$ $cerci$ are paired,jointed,sensory appendages located on the $10^{th}$ abdominal segment.These structures act as sound-receptive organs,allowing the cockroach to detect vibrations in the air and ground,which helps in sensing predators or environmental changes.