Amy made the table shown to describe two different relationships between animals.
Organism InteractionsRelationship A Relationship B
Both organisms benefit One organism benefits, the other is unaffected

Which of the following statements is most likely correct?

Relationship A is parasitism and Relationship B is competition.
Relationship A is competition and Relationship B is parasitism.
Relationship A is commensalism and Relationship B is mutualism.
Relationship A is mutualism and Relationship B is commensalism.

Biological interactions are important among the organism that helps them to survive in their environment. Biological interactions may be harmful or useful for the organisms.

Mutualism may be defined as a type of interaction in which both the species are benefited from each other. Amy should include relationship A in mutualism. Commensalism may be defined as the type of interaction in which one species is benefited and other organism is neither benefited nor harmed the individual. The relationship B is involved in commensalism.

Thus, the correct answer is option (4).