For students who plan to major in the natural sciences or environmental science, and for premedical students. Required for biology majors. No prerequisite. High school biology is assumed. The evolution and diversity of life; principles of ecology; behavioral biology. Three hours lecture, three hours lab including several field studies. Carries natural science divisional credit (with lab) in CAS. This course fulfills a single unit in each of the following BU Hub areas: Scientific Inquiry I, Quantitative Reasoning I, Critical Thinking, Research and Information Literacy.