Most insects have three life stages: egg, immature, and adult. Because insects have a rigid body covering, called an exoskeleton, they are not able to increase in size by simply expanding. As the insect grows, the body covering is periodically shed and replaced with a larger one in a process called molting.
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Answer:
Most insects have three life stages: egg, immature, and adult. Because insects have a rigid body covering, called an exoskeleton, they are not able to increase in size by simply expanding. As the insect grows, the body covering is periodically shed and replaced with a larger one in a process called molting.