The Bachelor of Science in Biology at Caltech's Division of Biology and Biological Engineering is designed to build on a strong foundation in mathematics and physical sciences, introducing students to the core concepts, problems, and methods of biological science. The curriculum prepares students for graduate study in biology or medicine and places a strong emphasis on research participation alongside formal coursework. The program features flexibility for students to pursue individual scientific interests through elective courses, research projects, and tutorial instruction, as well as the opportunity to write an undergraduate thesis. Students are encouraged to participate in ongoing division research, particularly via the laboratory or summer research fellowships. The program is known for its rigorous approach and the expectation that students will gain not only conceptual knowledge but also practical research experience. 来源： https://www.catalog.caltech.edu/current/information-for-undergraduate-students/admission-to-the-first-year-class/