[Campbell Biology P.862] In the mutualistic association of the lichen Peltigera , what is th... | Practice Question

In the mutualistic association of the lichen Peltigera , what is the primary role of the cyanobacterium partner?

  • A: Providing anchorage, protection, minerals, and water.
  • B: Synthesizing tetrodotoxin for defense.
  • C: Supplying carbohydrates through photosynthesis.
  • D: Increasing surface area for nutrient uptake from the soil.

Explanation

The text states: "In the lichen Peltigera , the photosynthetic partner is a species of cyanobacterium. The cyanobacterium supplies carbohydrates, while the fungus provides anchorage, protection, minerals, and water."