Q. What is commensalism?
The Commensalism is the ecological interaction in which one individual benefits while the other is neither benefited nor harmed. The Commensalism is a harmonious (positive) ecological interaction, since none of the participants is harmed. An instance of commensalism is the numerous bacteria that live in the skin and in the digestive tube of humans without being pathogenic or beneficial and they are innocuous bacteria living in commensalism with humans.