What type of relationship occurs between organisms when one member benefits without affecting the other?
parasitic
cooperative
bilateral
commensalism
24.4 | Fungal Parasites and Pathogens By the end of this section, you will be able to: • Describe fungal parasites and pathogens of plants • Describe the different types of fungal infections in humans • Explain why antifungal therapy is hampered by the similarity between fungal and animal cells Parasitism describes a symbiotic relationship in which one member of the association benefits at the expense of the other. Both parasites and pathogens harm the host; however, the pathogen causes a disease, whereas the parasite usually does not. Commensalism occurs when one member benefits without affecting the other.