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.
Harriet Tubman uses ethos to have the readers trust her and it helps make her an author you can trust. Ethos is when an author tries to convince the reader that they are a reliable source. So she uses ethos for her rhetorical appeal.
Hope that helps
1 answer is longevity 2 answer is cardiovascular system
