[Campbell Biology P.862] In the Plant-Fungus mutualism mycorrhizae , how does the fungal par... | Practice Question

In the Plant-Fungus mutualism mycorrhizae , how does the fungal partner primarily benefit the plant?

  • A: By providing carbohydrate-rich nectar.
  • B: By absorbing carbohydrates produced by the plant.
  • C: By increasing the surface area for the uptake of water and minerals by the roots.
  • D: By fixing atmospheric nitrogen.

Explanation

The text explains: "The fungus absorbs carbohydrates from the roots. In return, the fungus's mycelium, a dense network of filaments called hyphae, increases the surface area for the uptake of water and minerals by the roots."