Question

The casting off and regrowing of the
exoskeleton​

Answer 1

The process of removal, as well as regrowth of exoskeleton, is called Moulting.

Explanation:

• Moulting is the way wherein a creature routinely pushes off a piece of its body's external layer or covering at specific occasions of the year or as a mechanism in its life cycle.
• It also called by other names such as sloughing, shedding, or for certain species, ecdysis.
• In the case of arthropods, moulting occurs through casting off and regrowing of the whole exoskeleton.