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← Nature & AnimalsWhich developmental shift results when juvenile hormone diminishes?
A)Progression to the pupal stage✓
B)Increased larval molting frequency
C)Accelerated somatic cell mutation
D)Enhanced nutritional reserve accumulation
💡 Explanation
Progression to the pupal stage occurs via hormonal signalling; specifically, a decrease in juvenile hormone allows the insect to proceed to metamorphosis, because this falling hormone concentration signals that the larva has reached a critical size, therefore a pupal stage is initiated, rather than continued larval growth stages.
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