Answer:
The correct choice is F which means the given statement is false.
Explanation of the answer:
Commensalism and mutualism both are symbiotic relationships but can not be used interchangeably.
Commensalism: It is the relationship between two species in which one get benefited from other specie but the second specie neither gets benefit nor gets harm. For example remora fish use shark for the transportation while shark do not any benefit from this transport nor get any harm from the remora.
Mutualism: It is the relationship when both species get benefited. For example tick and termite relationship.
Hence they are not similar and can not be used interchangeably.