The goal of many organism is to live long enough to

Reproduce.

Explanation:

Almost all living being on the earth has the mentality to continue the race. This is why many say that humans, as well as animals, are sex-driven, and that in growing up, their sexual hormones will also become bigger (until it reaches its peak somewhere around early middle-age). Without this mentality, the group will always die out. Their next mentality is similar, to survive. This mentality essentially is just adding more steps to the first one, to survive long enough to reproduce and continue the race.

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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

the answer is cell division : )