In “An Interview with a Marine Biologist: Chris Meyer,” what is the connection between the sentences in the section “What’s your favorite animal?”

In “An Interview with a Federal Wildlife Officer: Gabriel Harper,” which section of the interview explains why Harper uses cameras?

Read the sentences from BOTH interviews.

If you’re interested in pursuing marine biology or any kind of biodiversity [variety of life] study, I would encourage everybody to just get out ... (Marine Biologist: Chris Meyer)

If you feel the need that you want to protect the resources and wildlife, then [being] a federal wildlife officer would be a perfect line of work for you. (Federal Wildlife Officer: Gabriel Harper)

Which idea do BOTH sentences try to explain?