An association between living organisms in which one organism lives on and feeds at the expense of the other organism is known as? by Sunday | Dec 23 | Biology WAEC | 0 comments A. mutualism B. commensalism C. parasitism D. predation Correct Answer: Option C – parasitism Users Also Read These:An advertising campaign designed to sell one's own…The difference between Articles of association and…The smallest living organism which share the…The study which involves the inter-relationship…The association between two organisms living…