Question

1. refer to the fungus and algae relationship in model 2.

a. is there a benefit for one of the organisms or for both?
both benefit
b. is either the fungus or the algae harmed by this relationship?
neither is harmed
c. which other relationship in model 2 is similar to that between the fungus and the algae?
other mutualistic relationships in model 2

1. refer to the shark and remora relationship in model 2.

a. in the shark and remora relationship, is there a benefit for one of the organisms or for both?
only the remora benefits
b. is either the shark or the remora harmed by this relationship?
c. which other relationship in model 2 is similar to that between the shark and the remora?

Explanation:

The relationship between fungus and algae is mutualistic where both benefit and neither is harmed. Similar mutualistic relationships in the model would be comparable. The shark - remora relationship is commensalism where only the remora benefits and neither is harmed. Commensal relationships in the model would be similar to the shark - remora one.

Answer:

10.
a. both benefit
b. neither is harmed
c. other mutualistic relationships in model 2
11.
a. only the remora benefits
b. neither is harmed
c. other commensal relationships in model 2