Assist. Prof.Dr. Yaarob Mudar Jawad, a lecturer in the Department of biology, College of Education for Pure Sciences / University of Karbala, was shared as a membeof a committee to discuss a master’s thesis of the student (Hassanin Sahib Mahdi) from the University of Kufa – College of Science – Department of biology. the thesis tagged (studying the chemical and physical properties of water in different locations in The Bahr al-Najaf depression and its impact on the macrobenthic fauna on Wednesday, August 25, 2021. The student obtained an excelent grade.