It is worth taking time to develop a logical structure as this will help to convince examiners of the relevance of your research, and that you understand its relevance.
It will also provide you with a framework to refer back to in your discussion chapter, when you reflect on the extent to which your research has achieved what it set out to do.
In these chapters a straightforward description is required of how you conducted the research.
Any imbalance in space devoted to different sections of content will become apparent.
This is a useful check on whether amalgamation of sections, or creation of further sections or sub-sections is needed.