Respuesta :
upon which part of evolution did this species of moth learn that skill?
Answer: The answer is A What nutrients that moths need are in elephant tears?
Explanation: Investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.
To explain why this species of moth drinks tears, the scientist could ask: "What nutrients that moths need are in elephant tears?"
The scientist could experiment with moth repellent or other ways to keep the moths away, but that would not answer his original question.