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← Nature & AnimalsWhich instar results if ecdysone declines before competence?
A)A delayed larval-larval molt proceeds✓
B)Normal maturation into a pupa
C)Uncontrolled adult morphological changes
D)The insect accelerates imaginal disc development
💡 Explanation
A failed larval pupal transition happens because low ecdysone prevents pupal commitment. Larval-larval molting continues rather than ceasing, therefore, resulting in delayed molting into more larval stages, instead accelerating metamorphosis into a pupa stage.
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