Below is a list of ECCB courses and former prefix/name along with the semester taught. For additional information on courses not listed below that formerly had ESSM, RENR, or WFSC prefixes, please contact the department of Rangeland, Wildlife and Fisheries Management.
| New Course | Legacy Course | Name | Semester Taught | Credits | Type |
| ECCB 101 | new | Introduction to Ecology and Conservation Biology | fall | 1 | Lec |
| ECCB 203 | ESSM 203 | Forest Trees of North America | fall | 3 | Lec/Lab |
| ECCB 205 | RENR 205 | Fundamentals of Ecology | fall/spring | 3 | Lec |
| ECCB 215 | RENR 215 | Fundamentals of Ecology–Laboratory | fall/spring | 1 | Lab |
| ECCB 285 | new | Directed Studies: Professional Writing | fall/spring | 1 | Ind |
| ECCB 301 | ESSM 304 | Diversity and Evolution of Plants | spring | 3 | Lec/Lab |
| ECCB 302 | WFSC 302 | Diversity and Evolution of Vertebrates | fall/spring | 3 | Lec/Lab |
| ECCB 303 | ESSM 311 | Fire Ecology and Biogeochemistry | fall/spring | 3 | Lec |
| ECCB 304 | WFSC 304 | Conservation Biology | fall/spring | 3 | Lec |
| ECCB 307 | ESSM 307 | Forest Protection | spring | 3 | Lec/Lab |
| ECCB 308 | ESSM 308 | Fundamentals of Environmental Decision-Making | spring | 3 | Lec |
| ECCB 309 | ESSM 309 | Forest Ecology | spring | 3 | Lec |
| ECCB 310 | ESSM 310 | Forest Tree Physiology and Breeding | spring | 3 | Lec |
| ECCB 311 | WFSC 311 | Ichthyology | fall | 3 | Lec/Lab |
| ECCB 312 | ESSM 303 | Diversity and Evolution of Grasses | fall | 3 | Lec/Lab |
| ECCB 313 | WFSC 335 | Diversity and Evolution of Invertebrates | fall/spring | 3 | Lec |
| ECCB 314 | WFSC 314 | Down River: Biology of Gulf Coastal Fishes | summer | 3 | Lec/Lab |
| ECCB 315 | WFSC 315 | Herpetology | spring | 3 | Lec/Lab |
| ECCB 316 | WFSC 316 | Field Herpetology | spring | 1 | Lab |
| ECCB 318 | ESSM 318 | Coupled Social and Ecological Systems | not currently offered | 3 | Lec |
| ECCB 319 | ESSM 319 | Principles of Forestry | fall | 3 | Lec/Lab |
| ECCB 320 | ESSM 320 | Ecosystem Restoration and Management | fall | 3 | Lec |
| ECCB 324 | ESSM 324 | Forest Measurements | spring | 2 | Lab |
| ECCB 325 | ESSM 300 | Field Studies in Forest Ecosystems | summer | 3 | Lec/Lab |
| ECCB 351 | ESSM 351 | Geographic Information Systems for Resource Management | fall/spring | 3 | Lec/Lab |
| ECCB 351 | RENR 405 | Geographic Information Systems for Resource Management | fall/spring | 3 | Lec/Lab |
| ECCB 400 | WFSC 433 | Molecular Ecology | fall/spring | 3 | Lec |
| ECCB 401 | WFSC 401 | General Mammalogy | fall/spring | 3 | Lec/Lab |
| ECCB 402 | WFSC 402 | General Ornithology | spring | 3 | Lec/Lab |
| ECCB 403 | WFSC 403 | Population and Community Ecology | fall/spring | 3 | Lec |
| ECCB 405 | ESSM 405 | Forest Resource Assessment and Management | spring | 3 | Lec/Lab |
| ECCB 406 | ESSM 462 | Advanced GIS Analysis for Natural Resources Management | not currently offered | 3 | Lec/Lab |
| ECCB 407 | ESSM 459 | Programming for Spatial Data Applications | spring | 3 | Lec/Lab |
| ECCB 408 | FRSC 420 | Arboriculture | not currently offered | 3 | Lec/Lab |
| ECCB 415 | WFSC 415 | Coastal Marine Biology and Geology of Alaska | see ECCB program coordinator | 3 | Lec |
| ECCB 416 | ESSM 416 | Fire Ecology and Natural Resource Management | see ECCB program coordinator | 3 | Lec |
| ECCB 417 | ESSM 417 | Prescribed Fire | spring (odd yrs) | 4 | Lec/Lab |
| ECCB 420 | ESSM 420 | Ecological Restoration of Wetland and Riparian Systems | spring (even yrs) | 3 | Lec/Lab |
| ECCB 422 | WFSC 422 | Behavioral Ecology | spring | 3 | Lec |
| ECCB 430 | ESSM 430 | Advanced Restoration Ecology | spring | 3 | Lec |
| ECCB 444 | ESSM 444 | Remote Sensing of the Environment | fall | 3 | Lec/Lab |
| ECCB 446 | ESSM 446 | Drones for Environmental Remote Sensing | spring (odd yrs) | 3 | Lec/Lab |
| ECCB 448 | WFSC 448 | Fish Ecophysiology | not currently offered | 3 | Lec |
| ECCB 450 | WFSC 450 | Caribbean Conservation | summer | 2 | Lab |
| ECCB 451 | WFSC 451 | Caribbean Research Seminar | summer | 1 | Lab |
| ECCB 454 | WFSC 454 | Amazon Field School | not currently offered | 4 | Lec |
| ECCB 460 | RENR 460 | Nature, Values, and Protected Areas | fall | 3 | Lec |
| ECCB 462 | WFSC 462 | Amazon River Tropical Biology | spring | 3 | Lec |
| ECCB 484 | ESSM 484 | Internship | fall/spring/summer | Ind | |
| ECCB 484 | RENR 484 | Internship | fall/spring/summer | Ind | |
| ECCB 485 | new | Directed Studies: Senior Writing | fall/spring | 1 | Ind |
| ECCB 491 | ESSM 491 | Research | fall/spring/summer | Res | |
| ECCB 600 | new | Population, Communities and Ecosystems | fall | 3 | Lec |
| ECCB 602 | WFSC 648 | Molecular Evolution | spring | 3 | Lec/Lab |
| ECCB 603 | WFSC 604 | Ecological Modeling | spring | 3 | Lec |
| ECCB 605 | ESSM 605 | The Research Process | fall | 2 | Lec |
| ECCB 606 | WFSC 646 | Quantitative Phylogenetics | spring | 4 | Lec/Lab |
| ECCB 607 | ESSM 624 | Terrestrial Ecosystems and Global Change | not currently offered | 3 | Lec |
| ECCB 612 | ESSM 647 | Diversity and Evolution of Grasses | fall | 3 | Lec/Lab |
| ECCB 613 | WFSC 624 | Dynamics of Populations | fall | 3 | Lec |
| ECCB 614 | WFSC 614 | Down River: Biology of Gulf Coastal Fishes | summer | 1 | Lab |
| ECCB 616 | WFSC 602 | Field Herpetology | spring | 1 | Lab |
| ECCB 620 | ESSM 631 | Ecological Restoration of Wetland and Riparian Systems | not currently offered | 3 | Lec/Lab |
| ECCB 621 | ESSM 621 | Physiological Plant Ecology | not currently offered | 3 | Lec |
| ECCB 622 | ESSM 622 | Biogeochemistry of Terrestrial Ecosystems | no longer taught | 3 | Lec |
| ECCB 626 | ESSM 626 | Fire Ecology | not currently offered | 3 | Lec/Lab |
| ECCB 631 | WFSC 631 | Ecological Applications in R | spring | 3 | Lec |
| ECCB 633 | ESSM 633 | Coastal Processes and Ecosystem Management | fall (odd yrs) | 3 | Lec |
| ECCB 634 | WFSC 633 | Conservation Genetics | not currently offered | 3 | Lec |
| ECCB 635 | ESSM 635 | Ecohydrology | not currently offered | 3 | Lec |
| ECCB 644 | ESSM 655 | Remote Sensing of the Environment | fall | 3 | Lec/Lab |
| ECCB 646 | ESSM 646 | Drones for Environmental Remote Sensing | spring (odd yrs) | 3 | Lec/Lab |
| ECCB 648 | ESSM 648 | Wetland Plant Taxonomy | not currently offered | 3 | Lec/Lab |
| ECCB 651 | ESSM 651 | Geographic Information System for Resource Management | fall/spring | 3 | Lec/Lab |
| ECCB 652 | ESSM 652 | Advanced Topics in Geographic Information Systems | spring | 3 | Lec/Lab |
| ECCB 654 | WFSC 654 | Amazon Field School | not currently offered | 3 | Lec/Lab |
| ECCB 655 | WFSC 655 | Applied Biodiversity Science I | spring (even yrs) | 3 | Lec |
| ECCB 656 | ESSM 656 | Advanced Remote Sensing | spring (even yrs) | 3 | Lec/Lab |
| ECCB 660 | ESSM 660 | Landscape Analysis and Modeling | spring | 3 | Lec/Lab |
| ECCB 670 | WFSC 670 | Excel Biometry | inactivated | 3 | Lec |
| ECCB 671 | ESSM 671 | Ecological Economics | spring | 3 | Lec |
| ECCB 671 | RENR 659 | Ecological Economics | fall/spring | 3 | Lec |
| ECCB 681 | ESSM 681 | Seminar | fall/spring | 1 | Sem |
| ECCB 684 | ESSM 684 | Professional Internship | fall/spring/summer | Ind | |
| ECCB 685 | ESSM 685 | Directed Studies | fall/spring/summer | Ind | |
| ECCB 691 | ESSM 691 | Research | fall/spring/summer | Res | |
| no longer taught | ESSM 306 | Plant Functional Ecology and Adaptation | inactivated | 3 | Lec |
| no longer taught | ESSM 481 | Senior Seminar | see advisor | 1 | Sem |
| no longer taught | WFSC 613 | Animal Ecology | inactivated | ||
| no longer taught | WFSC 639 | Wildlife Ecotoxicology | inactivated | 3 | Lec |
| see note | WFSC 605 | Community Ecology | inactivated | ||