Question

Some types of algae live inside coral. The algae provide the coral with nutrients. The coral provides the algae with shelter. Which of the following relationships exist between the algae and coral?

A. a competitive relationship
B. a symbiotic relationship
C. a parasite-host relationship
D. a predator-prey relationship

Answer 1

Well, right away I know that it is some sort of mutualistic relationship. Since this is not an option here, my best guesses are either B or C.

Please let me know if I was right :)

Answer 2

B. A Symbiotic relationship