Hours 24S Historical examination of the biological sciences, focusing on certain themes and time periods. Prerequisite 9.0 credits including a 0.5 HPS credit Recommended Preparation 2.0 HPS credits including a 0.5 HPS credit in the biological sciences (e.g. HPS240H1, HPS346H1, HPS351H1, or JHE353H1) Breadth Requirements Society and its Institutions (3)