A'phylogeny' displays classification as trees. why is this name appropriate?

Due to it´s root word, Phylum.

Explanation:

Phylum´s textbook definition reads - a principal taxonomic category that ranks above class and below kingdom. Phylogeny is the study of Phylogenesis, which to a broad degree, is the classification of organisms.

P.S. Phylogenesis also discusses the evolutionary process of said organisms.

i believe it would cause an increase of percipitation, though i could be wrong. so i would say b is the answer.

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