Which must an animal do in order for cellular respiration to begin? turn energy into sugars eat food gain energy change sugars into food

the answer is EAT FOOD not change sugars into food.

eat food

Explanation:

if dont eat first then your converting nothing into sugars

a and c are the answeres

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