The lecturer in the Department of Ecology in the College of Science, Dr. Makiya Mahlahal Khalaf, participated in the discussion of a master's thesis for the student Haneen Ali Salman, entitled (Estimating the health risks of bioaccumulation of some heavy elements in local and imported sheep / Basra Governorate - Iraq), which was organized by the College of Education for Pure Sciences at the University of Basra in the Department of Biology.