For students intending to take advanced courses in the biological sciences or enroll in preprofessional programs. Animal physiology, plant development and physiology. Final course in a three-quarter series (BIOL 180, BIOL 200, BIOL 220). Prerequisite: minimum grade of 2.0 in either BIOL 200, B BIO 200, or TESC 130. Offered: AWSpS.