Which of the following statements is TRUE? Which of the following statements is TRUE? At least one member must benefit in a symbiotic relationship. A parasite is not in symbiosis with its host. Members of a symbiotic relationship cannot live without each other. Both members are harmed in a symbiotic relationship. Symbiosis always refers to different organisms living together and benefiting from each other.

Answer: Symbiosis always refers to different organisms living together and benefiting from each other.

Explanation: The term symbiosis applies to biological interaction, to the close and persistent relationship between organisms of different species. The organisms involved in symbiosis are called symbionts. Symbiosis is usually identified with mutualistic symbiotic relationships, which are those in which all symbionts benefit.