EVERYDAY SCIENCE

Detailed explanation-1: -Commensalism is a symbiotic relationship in which one species benefits while the other species is not affected.

Detailed explanation-2: -Commensalism is another type of symbiotic relationship where one organism benefits and the other organism isn’t benefited or harmed either way.

Detailed explanation-3: -Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.

Detailed explanation-4: -One of the best-known examples of a commensal is the remora (family Echineidae) that rides attached to sharks and other fishes. Remoras have evolved on the top of their heads a flat oval sucking disk structure that adheres to the bodies of their hosts.