Question

In commensalism, how is the unaffected species impacted by the interaction?

Options

• It is harmed

• It benefits slightly

• It is harmed slightly

• It is neither helped nor harmed

Answer 1

In commensalism (+/0), the unaffected species (represented by 0) is completely unaffected by the interaction—neither helped nor harmed. Only the commensal species benefits from the relationship without causing any advantage or disadvantage to the host species.