Respuesta :
Social behavior is not a reason that populations display a regular (evenly spaced) distribution. The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.
I believe the answer is: D. social behaviour
Social behaviour refers to the effort that a certain individual made to develop relationship with other individuals near them.
This effort would only affect how others perceive that individual and the social status that the individual has. It would not affect population distribution.