Some structures related to fungi include hyphae and mycellium. which statement best explains how these structures are related? a) hyphae hold mushrooms and other fungi upright by attaching to a mycellium. b) hyphae absorb water under ground and the mycellium absorbs water above ground. c) hyphae are long, threadlike structures that create a network called a mycellium. d) hyphae absorb nutrients from the soil that the mycellium converts into carbon dioxide.