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|Published on: Dec 23|Categories: Biology WAEC| 0 comments A. mutualism B. commensalism C. parasitism D. predation Correct Answer: Option C – parasitism Users Also Read These:The activity of an organism which affects the…An association between living organisms in which one…The smallest living organism which share the…Which of the following is the simplest living organism?A virus can sometimes be regarded as a living…SEE ALSO Which of the following takes place when a person’s body temperature rises above 37°C