A density-dependent factor that regulates the population size of organism is? by Sunday | Sep 11 | Biology JAMB | 0 comments A. Disease B. Sudden flood C. Drought D. Fire outbreak Correct Answer: Option A – Disease Users Also Read These:An association between living organisms in which one…Which of the following is a factor affecting the…An organism that habours another organism is referred to as?The activity of an organism which affects the…The population size will _________?