The sum total of all the roles an organism plays in a habitat is referred to as its? by Sunday | Apr 27 | Biology NECO | 0 comments A. ecology B. ecosystem C. habit D. habitat E. niche Correct Answer: Option E – niche Users Also Read These:The entire habits and habitat of an organism can be…The sum of N80,000 is deposited in a bank and the…A collection of population of all living organisms…An organism that habours another organism is referred to as?The activity of an organism which affects the…