The EEC program broadly consists of
An overview of a typical sequence of the modules can be found below. For details about the modules, see the link to the course catalogue below.
The examination regulations for the program can be found here.
Because of legal / administrative reasons, all regulations are in German. For translation, you can use, for example, the DeepL German-English translation.
You can find the course catalogue for the EEC program here.
Broadly, the same rules for the thesis apply as for the MSc biology, with the addition that you would typically search for a supervisor within the groups that contribute to the EEC programme (this, however, is not a requirement). External MSc thesis are also possible and encouraged.
The MSc EEC program is very similar in structure to the MSc Biology program at the University of Regensburg. Thus, in principle, it's easy to switch between the two programs.
The main difference is that a) for the EEC program, you can only take focus subjects with relevance to the EEC field (see examination regulations), and b) the EEC program has slightly different soft skills modules than the EEC.
If you want to change from the MSc Biology to the MSc EEC, you need to apply for the EEC, following the normal application procedure. Expect that: