| Bio 1B | General Biology | | LD | 4 | Fa, Sp, Su | Annual | None | None |
| |
| IB 101 | Introduction to Scientific Writing |
 | UD | 4 | Sp | Annual | None | None |
| |
| IB 102LF | Introduction to California Plant Life with Laboratory |
| UD | 4 | Sp | Even | B | Field Lab |
| |
| IB 103LF | Invertebrate Zoology with Laboratory * |
| UD | 5 | Fa | Odd | B | Field Lab |
| |
| IB 104LF | Natural History of the Vertebrates with Laboratory |
| UD | 5 | Sp | Annual | B | Field Lab |
| |
| IB 108 | Marine Biology |
| UD | 4 | Su | Annual | B | None |
| |
| IB 112 | Horticultural Methods in the Botanical Garden | | UD | 1 | Fa | Annual | None | None |
| |
| IB 113L | Paleobiological Perspectives on Ecology and Evolution |
| UD | 4 | Sp | Annual | B | Lab |
| |
| IB 114 | Infectious Disease Dynamics |
| UD | 4 | Sp | Annual | B, C | None |
| |
| IB 116L | Medical Parasitology |
| UD | 4 | Su | Annual | C | Lab |
| |
| IB 117 | Medical Ethnobotany |
| UD | 2 | Fa | Annual | C | None |
| |
| IB 117LF | Medical Ethnobotany Laboratory |
| UD | 2 | Fa | Annual | None | Field Lab |
| |
| IB 118 | Host-Microbe Interactions |
| UD | 4 | Fa | Annual | B, C | None |
| |
| IB 120 | Introduction to Quantitative Methods in Biology |
| UD | 4 | Sp | Annual | Elective Only | None |
| |
| IB 123AL | Exercise and Environmental Physiology with Laboratory |
| UD | 5 | Fa | Annual | C | Lab |
| |
| IB 128 | Sports Medicine |
| UD | 3 | Su | Annual | C | None |
| |
| IB 130L | Comparative Vertebrate Anatomy & Functional Morphology * |
| UD | 4 | Su | Annual | C | Lab |
| |
| IB 131 | General Human Anatomy |
| UD | 3 | Fa, Su | Annual | C | None |
| |
| IB 131L | General Human Anatomy Laboratory |
| UD | 2 | Fa, Su | Annual | None | Lab |
| |
| IB 132 | Survey of Human Physiology |
| UD | 4 | Sp | Annual | C | None |
| |
| IB 132L | Mammalian Physiology Laboratory | | UD | 2 | Sp | Annual | None | Lab |
| |
| IB 137 | Human Endocrinology |
| UD | 4 | Fa | Annual | C | None |
| |
| IB 138 | Comparative Endocrinology |
| UD | 4 | Sp | Annual | C | None |
| |
| IB 139 | The Neurobiology of Stress |
| UD | 4 | Fa | Annual | C | None |
| |
| IB 140 | Biology of Human Reproduction |
| UD | 4 | Sp | Annual | C | None |
| |
| IB 141 | Human Genetics |
| UD | 3 | Su | Annual | A | None |
| |
| IB 146LF | Behavioral Ecology with Laboratory |
| UD | 5 | Sp | Odd | B | Field Lab |
| |
| IB 148 | Comparative Animal Physiology |
| UD | 3 | Fa | Even | C | None |
| |
| IB 150 | Evolutionary Environmental Physiology |
| UD | 3 | Sp | Annual | C | None |
| |
| IB 151 | Plant Physiological Ecology |
| UD | 4 | Sp | Even | B, C | None |
| |
| IB 151L | Plant Physiological Ecology Laboratory |
| UD | 2 | Sp | Even | None | Lab |
| |
| IB 153 | Ecology |
| UD | 3 | Fa | Annual | B | None |
| |
| IB 154 | Plant Ecology * |
| UD | 3 | Fa | Odd | B | None |
| |
| IB 154L | Plant Ecology Laboratory * |
| UD | 2 | Fa | Odd | None | Lab |
| |
| IB 157LF | Ecosystems of California |
| UD | 4 | Fa | Annual | B | Field Lab |
| |
| IB 158LF | Biology and Geomorphology of Tropical Islands |
| UD | 13 | Fa | Annual | B | Field Lab |
| |
| IB 159 | The Living Planet: Impact of the Biosphere on the Earth System | | UD | 3 | Fa | Odd | B | None |
| |
| IB 160 | Evolution |
| UD | 4 | Fa | Annual | A | None |
| |
| IB 161 | Population and Evolutionary Genetics |
| UD | 4 | Sp | Odd | A | None |
| |
| IB 162 | Ecological Genetics * | | UD | 4 | Sp | Even | A, B | None |
| |
| IB 164 | Human Genetics and Genomics |
| UD | 4 | Fa | Annual | A | None |
| |
| IB 167 | Evolution and Earth History: From Genes to Fossils * |
| UD | 4 | Sp | Even | A, B | None |
| |
| IB 168L | Systematics of Vascular Plants with Laboratory |
| UD | 4 | Sp | Odd | B | Lab |
| |
| IB 169 | Evolutionary Medicine |
| UD | 4 | Sp | Annual | A | None |
| |
| IB 170LF | Methods in Population and Community Ecology |
| UD | 3 | Sp | Odd | B | Field Lab |
| |
| IB 172 | Coevolution: From Genes to Ecosystems |
| UD | 4 | Sp | Annual | A | None |
| |
| IB 173LF | Mammalogy with Laboratory |
| UD | 5 | Fa | Even | B | Field Lab |
| |
| IB 174LF | Ornithology with Laboratory |
| UD | 4 | Sp | Odd | B | Field Lab |
| |
| IB 175LF | Herpetology with Laboratory |
| UD | 4 | Sp | Even | B | Field Lab |
| |
| IB 181L | Paleobotany - The 500-Million Year History of a Greening Planet |
| UD | 4 | Sp | Even | B | Lab |
| |
| IB 184L | Morphology of the Vertebrate Skeleton with Laboratory * | | UD | 4 | Fa | TBD | C | Lab |
| |
| IB 206 | Statistical Phylogenetics | | GD | 3 | Fa | Even | | |
| |
| IB 223 | Seminar in Bioenergetics and Metabolism | | GD | 2 | Fa | Even | | |
| |
| IB 230 | Marine Science Review | | GD | 1 | | | | |
| |
| IB 232 | Seminar in Biomechanics | | GD | 2 | | | | |
| |
| IB 234 | Seminar on Biology of Amphibians and Reptiles | | GD | 1 | | | | |
| |
| IB 250 | Seminar in Ecology | | GD | 2 | | | | |
| |
| IB 251 | Ecological Research Reviews | | GD | 1 | | | None | None |
| |
| IB 264 | Seminar in Evolutionary Biology of the Vertebrates | | GD | 1 | | | | |
| |
| IB 265 | Advanced Studies in Hominid Paleobiology | | GD | 2 | | | | |
| |
| IB 283 | Seminar in Vertebrate Evolution and Paleontology | | GD | 1 | | | | |
| |
| IB 286 | Seminars in Paleontology | | GD | 2 | | | | |
| |
| IB 31 | The Ecology and Evolution of Animal Behavior |
| LD | 3 | Su | TBD | None | None |
| |
| IB 35AC | Human Biological Variation |
| LD | 4 | Fa, Su | Annual | None | None |
| |
| IB 375 | Teaching Colloquium: Graduate Student Instructor Training | | GD | 2 | Fa | Annual | | |
| |
| IB 400 | Training in Stable Isotope Methods and Mass Spectrometry | | GD | 1 | | | | |
| |
| IB 41 | Marine Mammals * |
| LD | 2 | Fa, Su | Odd | None | None |
| |
| IB 77A | Integrative Human Biology |
| LD | 1 | Fa | Annual | None | None |
| |
| IB 77B | Integrative Human Biology |
| LD | 1 | Sp | Annual | None | None |
| |
| IB C100 | Communicating Ocean Science | | UD | 4 | Sp | Even | None | None |
| |
| IB C105 | Natural History Museums and Biodiversity Science |
| UD | 3 | Fa | Annual | Elective Only | None |
| |
| IB C109 | Evolution and Ecology of Development |
| UD | 3 | Fa | Even | Elective Only | None |
| |
| IB C110L | Biology of Fungi with Laboratory * |
| UD | 4 | Fa | Even | B | Lab |
| |
| IB C129L | Human Physiological Assessment | | UD | 3 | Sp | Annual | C | Lab |
| |
| IB C13 | Origins: from the Big Bang to the Emergence of Humans | | LD | 4 | Fa | Even | None | None |
| |
| IB C142L | Introduction to Human Osteology * | | UD | 6 | Sp | Odd | C | Lab |
| |
| IB C143A | Biological Clocks: Physiology and Behavior |
| UD | 3 | Fa | Even | C | None |
| |
| IB C143B | Hormones and Behavior * |
| UD | 3 | Sp | Annual | C | None |
| |
| IB C144 | Animal Behavior |
| UD | 4 | Fa | Annual | B | None |
| |
| IB C145 | Animal Communication | | UD | 3 | Sp | | B | None |
| |
| IB C156 | Principles of Conservation Biology |
| UD | 4 | Fa, Su | Annual | B | None |
| |
| IB C166 | Biogeography |
| UD | 4 | Fa | Annual | Elective Only | None |
| |
| IB C171 | Freshwater Ecology |
| UD | 3 | Sp | Annual | B | None |
| |
| IB C176L | Fish Ecology |
| UD | 3 | Sp | Annual | B | Lab |
| |
| IB C185L | Human Paleontology |
| UD | 5 | Sp | Even | B | Lab |
| |
| IB C200 | Principles of Phylogenetics | | GD | 4 | Sp | Even | | |
| |
| IB C204 | Research Reviews in Animal Behavior: Behavior Review | | GD | 1 | | | | |
| |
| IB C226 | Isotopics | | GD | 2 | Fa | Annual | | |
| |
| IB C227 | Stable Isotope Ecology | | GD | 5 | Sp | Odd | | |
| |
| IB C32 | Bioinspired Design |
| LD | 3 | Sp | Annual | None | None |
| |
| IB C407 | Introduction to Scientific Diving | | GD | 3 | Sp | Annual | | |
| |
| IB C82 | Oceans | | LD | 3 | Fa | Annual | None | None |
| |
| IB C96 | Studying the Biological Sciences | | LD | 1 | Fa | Annual | None | None |
| |
