9. Which of the following contributes to the resting potential of a neurone? I. Ion channels II. Differences in concentration of ions across the membrane III. Sodium-potassium pump IV. Graded potentials

heat a spark and oxygen

because of

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