question: The interaction between coral and alga is an example of _.
choices.text: Synchronous communication competition coelenterates predation friction damaging mutualism
choices.label: A B C D E F G H
fact2: Coral and alga have a symbiotic relationship.
combinedfact: The interaction between coral and alga is an example of mutualism.
formatted_question: The interaction between coral and alga is an example of _. (A) Synchronous (B) communication (C) competition (D) coelenterates (E) predation (F) friction (G) damaging (H) mutualism