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← Nature & AnimalsWhich masking event occurs when anthropogenic noise coincides with humpback whale mating calls?
A)Decreased krill availability nearby waters
B)Elevated parasitic load in calf population
C)Compromised ranging during breeding season✓
D)Diminished migratory route navigational precision
💡 Explanation
When ship engine frequencies overlap with the fundamental frequencies of humpback vocalizations, acoustic masking occurs, because interference diminishes call audibility. Therefore, whales' ranging is compromised, rather than affected by unrelated food, parasitism, or spatial memory.
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