A collection of population of all living organisms that exist in a habitat is referred to as? By: Sunday|Published on: Sep 5|Categories: Biology JAMB| 0 comments A. niche B. ecosystem C. community D. environment Correct Answer: Option C – community Users Also Read These:The following exist as free-living organisms except?Which of the following organisms cannot exist freely…The population of different organisms that exist…The association between two organisms in which one…Which of the following factors may not affect living…SEE ALSO In which part of the human body does the secretion of the growth hormone occur?