How do trees interact with other organisms?

They provide other organisms with food. got it from : https://quizlet.com/74022812/topic-test-science-flash-cards/#

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a