The process of selecting topics for graduate students majoring in biology can be divided into the following steps:

1. Fully understand your interests and research direction: graduate students need to have a clear understanding of their research interests and direction before deciding on the topic of their thesis. This can be achieved by reading literature in related fields, participating in academic activities and discussing with tutors and classmates.

2. Consulting literature: It is very important to consult the literature in related fields when determining the topic of the paper. By reading the literature, we can understand the hot issues in the current research field, the development of research methods and technologies. , so as to provide reference for our thesis topic selection.

3. Determine the research question: Graduate students need to find a specific research question in the process of consulting literature. This problem should have certain theoretical significance and practical value, and at the same time, it should conform to one's own research interests and abilities.

4. Consult the tutor's opinion: Graduate students can consult the tutor and listen to the tutor's suggestions and opinions when determining the topic of the thesis. Tutors usually have rich research experience and professional knowledge, and their suggestions are often of great help to graduate students' thesis topics.

5. Discuss with classmates: Graduate students can discuss with classmates and share their research interests and ideas. Through discussion, it can help graduate students broaden their thinking and find more suitable thesis topics.

6. Based on the above factors, determine the topic of the thesis: On the basis of fully understanding their own interests and research direction, graduate students can consult the literature, determine the research topic, solicit the opinions of tutors and discuss with their classmates, and finally determine a suitable topic of the thesis. In this process, graduate students need to keep an open mind and dare to try new research directions and methods in order to lay a solid foundation for their research career.