Why do we need energy

Explanation:

Without energy you wont be able to do anything. You wont even be able to move. Energy fuels your body's internal functions, repairs, builds and maintains cells

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