What is the theme for Lord of the Flies(please include textual evidence)?

There are a number of different themes in Lord of the Flies. For a detailed look at the themes, check out Gradesaver's theme page. Simply link the study guide at the top of this page and navigate from there. If you have any additional questions, feel free to ask them here. Some of the themes covered are civilization/ savagery; individualism/ community; and the nature of evil.