Completion of first year requirements, including Biology 1001A or Biology 1201A and Biology 1002B or Biology 1202B with a mark of at least 60% in each.

Chemistry 1301A/B and Chemistry 1302A/B, or the former Chemistry 1100A/B and the former Chemistry 1200B;
0.5 course from: Physics 1028A/B, Physics 1301A/B or Physics 1501A/B;
1.0 course from: Calculus 1000A/B, Calculus 1301A/B, Calculus 1500A/B, Calculus 1501A/B, or the former Calculus 1100A/B, Mathematics 1225A/B, Mathematics 1228A/B, Mathematics 1229A/B or Mathematics 1600A/B or the former Linear Algebra 1600A/B, Statistical Sciences 1024A/B, Applied Mathematics 1201A/B. If not completed in first year, the Mathematics requirement must be completed by the end of second year.  Highly recommended: Earth Sciences 1088F/G, Environmental Science 1021F/G.

2.0 courses: Biology 2290F/G, Biology 2483A/B, Biology 2485A/B, Biology 3484A/B, Biology 4218A/B.
0.5 course from: Biology 2244A/B, Statistical Sciences 2244A/B.
1.0 courses from: Biology 3442F/G, Chemistry 2210A/B, Environmental Science 3300F/G.
1.0 courses from: Biology 4223F/G, Biology 4243F/G, Geography 2133A/B, Microbiology and Immunology 2500A/B, Microbiology and Immunology 3500B.
0.5 course from: Geography 2430A/B, Geography 3431A/B, Pathology 3500*, Pathology 4400A/B, Sociology 2246A/B.
1.0 course: Biology 4230A/B, Biology 4405F/G.

*If students take Pathology 3500, the module becomes 6.5 courses.

Note: At least 3.5 courses taken in the module must be from the Faculty of Science.