Wood Destroying Organism (WDO) Home Inspection Practice Exam

Which metamorphosis type best describes the transformation process of butterflies?

1. Simple

2. Complete

3. Gradual

4. Linear

The correct answer is: Complete

The transformation process of butterflies is best described as complete metamorphosis, which encompasses a series of distinct and significant developmental stages. This process involves four key stages: egg, larva (caterpillar), pupa (chrysalis), and adult (butterfly). Each stage is markedly different in form and function, with the caterpillar primarily focused on growth and feeding, while the pupa stage involves a remarkable transformation where the caterpillar undergoes significant changes to emerge as a fully formed butterfly. In contrast, other types of metamorphosis do not involve this level of transformation. Simple metamorphosis, for example, typically involves fewer stages and less significant changes between them, while gradual metamorphosis features a series of nymphal stages that resemble the adult form but gradually mature without a pupal stage. Lastly, the term "linear" does not accurately align with established biological classifications for metamorphosis in insects. Thus, complete metamorphosis aptly captures the complex and fascinating transition butterflies undergo in their life cycle.