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In male and female cockroach 10^(th) seg...

In male and female cockroach `10^(th)` segment bears a pair of jointed filamentous structure called

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**Step-by-Step Solution:** 1. **Identify the Segment**: The question specifies that we are looking at the 10th segment of both male and female cockroaches. 2. **Recognize the Structure**: We need to identify the jointed filamentous structure that is present in both sexes at this segment. 3. **Name the Structure**: The structure found in the 10th segment of both male and female cockroaches is called "anal cerci." 4. **Describe the Structure**: The anal cerci are pincer-shaped structures that serve as important sensory organs. 5. **Function of the Structure**: These structures help the cockroach detect various vibrations in their environment. 6. **Clarification of Other Structures**: It’s important to note that while anal cerci are present in both sexes, males also have an additional structure called "anal styles," which are not found in females. **Final Answer**: The jointed filamentous structure present in the 10th segment of both male and female cockroaches is called "anal cerci." ---
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