We have concluded that the spiders have different traits for silk flexibility because the offspring inherited different combinations of gene versions from their parents. The evidence supports this claim because . . .

this transfer is call conjunction

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