This paper reports on a content analysis of 633 biology education research [BER] papers published by Turkish science educators in national and international journals. The findings indicate that more research has been undertaken in environment and ecology, the cell and animal form and functions. In addition learning, teaching and attitudes were in the forefront as the frequently investigated subjects. Undergraduate and secondary school students were mostly studied and the sample size mostly varied between 31-100 and 100300 and also, quantitative research was mostly preferred. Besides, commonly used data collection tool included; achievement tests, questionnaires and attitude scales and the commonly used data analysis and presentation techniques were frequency/percentage tables, central tendency measures, t-tests and ANOVA/ANCOVA analyses.