Problem 1. Who are the key players in this relationship? Use their scientific names.
Problem 2. What are the cost and benefits for EACH symbiont?
Problem 3. Devise a scenario that might explain how this symbiotic relationship evolved.
Problem 4. As a biologist, you want to know if the relationship between the yeast and the other two symbionts a(n) facultative or obligate relationship is. Design an experiment to test this question. Be sure to include your hypothesis , from this article
Article: Basidiomycete yeasts in the cortex of ascomycete macrolichens