What word is used to describe the progression of events or change that occurs in an insects development?

The Word used to describe the progression of events or change in an insect's development is "metamorphosis." This process can involve distinct stages, such as egg, larva, pupa, and adult, particularly in insects that undergo complete metamorphosis. Insects that undergo incomplete metamorphosis, like grasshoppers, typically progress through egg, nymph, and adult stages.