If Haustoria from the Fungal Partner Were to Appear Within

question 8

Multiple Choice

If haustoria from the fungal partner were to appear within the photosynthetic partner of a lichen, and if the growth rate of the photosynthetic partner consequently slowed substantially, then this would support the claim that

• A) algae and cyanobacteria are autotrophic.
• B) lichens are not purely mutualistic relationships.
• C) algae require maximal contact with the fungal partner in order to grow at optimal rates.
• D) fungi get all of the nutrition they need via the "leakiness" of photosynthetic partners.
• E) soredia are asexual reproductive structures combining both the fungal and photosynthetic partners.