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← Nature & AnimalsWhich outcome diminishes homing pigeon navigational accuracy due to disruption?
A)The avian magnetic compass misdirection✓
B)Compromised barometric pressure perception
C)Sun-azimuth changes timing inconsistencies
D)Disrupted ultrasonic vocalization reception
💡 Explanation
An external electromagnetic field disrupts the avian magnetic compass, impacting navigation, because it interferes with the iron-based photoreceptor's function; therefore, they can't align correctly, rather than disrupting barometric pressure as that informs altitude.
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