Besides the major in Biology, the students have the choice between three possibilities : 

• either to opt for complementary sessions in Biology (30 credits), with complements in the various sub-disciplines of Biology (Vegetal Biology, Animal Biology, Cellular and Molecular Biology, Ecology)
• or to opt for a complementary minor in Chemistry (30 credits) which resumes the elements of Molecular Crystallography et Spectroscopy, Inorganic Chemistry, Organic Chemistry and Analytical Chemistry and contains an introduction to the chemistry of polymers
• or to opt for another minor on the University programme, based on a project to be elaborated together with the study advisor.