1. It consists of all the population of organisms living in a particular ecosystem
a. Biosphere b. population C. ecosystem
d. community​

The answer is a.population

hope it mark me as brainlieast.

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