BIO - Biology
- BIO 103 Topics in Biology
 - BIO 105 Marine Biology
 - BIO 110 Introductory Biology: Biodiversity, Ecology, and Evolution
 - BIO 130 Introductory Biology: Cellular and Molecular Biology
 - BIO 193 Directed Research
 - BIO 198 Conservation Corps Internship
 - BIO 215 Invertebrate Form and Function
 - BIO 221 Molecular Biology
 - BIO 224 Genetic Analysis
 - BIO 226 Cell Biology
 - BIO 240 Vertebrate Physiology
 - BIO 250 Plant Form and Function
 - BIO 260 Biodiversity and Organization of Marine Ecosystems
 - BIO 268 Biostatistics
 - BIO 270 Ecology
 - BIO 275 Flora of Southern California
 - BIO 280 Evolutionary Biology
 - BIO 290 Research Methods in Biology
 - BIO 293 Directed Research
 - BIO 295 Current Research in Biology
 - BIO 297 Independent Study
 - BIO 298 Huntington-Occidental Pre-med Program (HOPP)
 - BIO 310 Museum Science
 - BIO 320 Developmental Biology
 - BIO 322 Principles of Biochemistry
 - BIO 323 Histology
 - BIO 325 Microbial Diversity
 - BIO 326 Molecular Phylogenetics
 - BIO 330 Immunology
 - BIO 333 Neurobiology
 - BIO 336 Microbial Pathogenesis
 - BIO 340 Sensory Biology and Neurophysiology
 - BIO 345 Virology
 - BIO 349 Biochemistry I
 - BIO 350 Microbial Symbiosis
 - BIO 356 The Biology of Marine Fishes
 - BIO 360 Avian Biology
 - BIO 363 Functional Marine Ecology
 - BIO 369 Biological Oceanography
 - BIO 370 Field Ecology
 - BIO 372 Global Change Biology
 - BIO 373 Computational Biology
 - BIO 378 Animal Behavior
 - BIO 380 Plant Physiological Ecology
 - BIO 390 Special Topics in Biology
 - BIO 393 Directed Research
 - BIO 397 Independent Study
 - BIO 490 Senior Seminar
 - BIO 497 Independent Study
 - BIO 501 Graduate Research
 - BIO 590 Thesis for Master of Arts Degree
 - BIO 595 Graduate Seminar
 - BIO 597 Independent Study
 - BIO 599 Continuing Thesis Research