In the Phylum Arthropoda, the process of shedding the old exoskeleton is known as:
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Correct answer: Ecdysis (molting)
Ecdysis (molting) is regulated by the steroid hormone ecdysone. The animal first secretes a new, soft cuticle beneath the old one, then splits the old exoskeleton and pulls free, allowing the new cuticle to expand and harden before rigidity is fully restored.
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