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← Nature & AnimalsWhich outcome occurs when the tympanic membrane of moths becomes insensitive specifically to bat calls at 20 kHz?
A)Disrupted mate attraction through pheromones
B)Increased vulnerability to spider predation
C)Reduced detection range from predators✓
D)Impaired long-distance migration accuracy
💡 Explanation
When moths have reduced sensitivity at 20kHz they won't detect bats until closer due to impaired directional hearing using differential pressure, therefore reduced detection range affects successful prey evasion, rather than migration; because moth communication is rarely dependent on those specific frequencies.
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