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← Nature & AnimalsWhich outcome occurs when monarch butterfly larvae lack exposure to Earth's magnetic field during development?
A)Inability to store energy as lipids
B)Disrupted diapause timing and duration
C)Navigation impairment during fall migration✓
D)Increased egg mortality from UV radiation
💡 Explanation
Disrupted magnetic field exposure affects magnetoception, hindering navigation during migration because their internal magnetic compass is improperly calibrated; therefore, butterflies struggle finding overwintering sites, rather than physiological issues given proper resources.
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