JAMB - Biology (2019 - No. 61)
The association between two organisms living together in which only one benefits from the association while the other is neither benefited nor harmed is
Predation
Competition
Commensalism
Dispersal
توضیح
Commensalism is the association between 2 organisms living together in which only one benefits from the association while the other is neither benefited nor harmed e.g Ramora fish and shark. Commensalism is an example of symbiotic Association.