Roles a population comparison or ecological study primarily play in establishing contributory cause is Group Association.
Ecology is the study of how various abiotic (non-living) and biotic (living) components interact to form an ecosystem. Ecology is the study of interactions between living organisms and their environment . It is a study of how organisms interact with their surroundings; no differences at all are required.
A basic area of biology is ecology. In a particular ecosystem, the many populations of organisms that make up a community serve as a representation of the biotic variables.
Hence the correct answer is Group Association.
To learn more about Ecology here:
https://brainly.com/question/780274
#SPJ4
