Answer:
The author uses the word "metamorphosis" to describe the "four-stage process of change." They are introducing new vocabulary terms in a friendly context. They also may have included it because it's the most accurate scientific term for the process of growth undergone by the beetle.
What book is this? You should put the name of the book before posting this question.
Answer:
The memoir is a firsthand account, while the history textbook is secondhand. Hope this helps :)
Your Answer Is...
The purpose is to greet people to what you're talking about, so you can get them to read more.
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