One of the three lines of defense against pathogens is ?

one of the three lines of defense against pathogens is surface barriers that prevent the entry of pathogens into the body.

Explanation:if its right pls mark brainliest

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