The least-equipped organisms may not survive

the correct answer is ( hypoglycemia ); good luck

explanation:

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

answer; cnidarians;

you're crazy : )