parasitism saprophytism mutualism commensalism
I gave my students this multiple choice question: Certain trees, such as the dogwood, can be inhabited by a fungus that damages their leaves. Which of the following best describes the relationship between the tree and the fungus?

Only one answer is correct among these 4 choices:
- parasitism
- saprophytism
- mutualism
- commensalism

Could you tell me which one is correct?

parasitism