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← Nature & AnimalsWhich consequence results when thermal stress impairs avian mimicry?
A)Reduced vocalization signal fidelity✓
B)Increased foraging range expansion
C)Enhanced predator detection accuracy
D)Decreased interspecies competition likelihood
💡 Explanation
Thermal stress denatures proteins critical for syrinx muscle control, undermining spectral accuracy of vocalization; therefore, avian mimic's reduced signal fidelity decreases communication effectiveness rather than broadening foraging range, improving predation evasion, or lessening competition. The mechanism is muscle control inhibition.
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