Recent SemestersFall 2026, Summer 2026Class SizeNot publishedCredits3PrerequisiteBIOL 120 and CHEM 101 or 110 or 120 Transfer to CSU, UC, USC Biology 112 - 5 units Microbiology Prerequisite: CHEM 110 or 120 and BIOL 101 or 120 or 122 Transfer to CSU, UC, USC RECOMMENDED BIOLOGY HEALTH SCIENCE COURSE SEQUENCE Although Biology 115 is not a prerequisite for Biology 120, it is strongly recommended that students without a science background in biology take Biology 115 prior to Biology 120 Transfers ToUC and CSUCal-GETC Area 5B · IGETC Area 5B · CSU GE Area B2DescriptionBIOL 123 examines the history of life on earth, and the mechanisms that have led to the diversity we see today. Topics to be covered include a brief history of evolutionary thought, adaptive vs. neutral evolution (natural selection and genetic drift), biogeography, the origin of life, population genetics and speciation, an exploration of the fossil record and modern systematics, and recent work in the fields of sexual selection, behavior, development, and human evolution.Usually HeldMon Tue Wed Thu 10:40am–1:05pm, Mon Wed 9:10am–10:35am 