Your gonna have to give us a summary of the selection because we don learn the same things you do. After you explain the summary maybe then we can help you with this question.
Because the organization depends on how you will be making the essay because if you did order of importance than your central idea would most likely be developed in the beginning, but if it was like order of like same and difference then the central idea would be tough to put in you would have to put the central idea at the end to clarify why you did the order of same and difference.
