Which of the following metamorphosis types involves more distinct life stages?

Complete metamorphosis is the correct choice because it describes a life cycle that includes four distinct stages: egg, larva, pupa, and adult. Each stage has its own unique form and function. For instance, larvae often have different dietary needs and behaviors compared to the adult forms, which can lead to significant ecological roles. The pupal stage serves as a transformative process where the organism undergoes reorganization to become a mature adult. This clear distinction between life stages distinguishes complete metamorphosis from other types, such as gradual or simple metamorphosis, which involve fewer and less distinct stages, leading to more continuity between life forms.