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.
| Legacy Course | New Course | Name | Semester Taught | Credits | Type |
| ESSM 203 | ECCB 203 | Forest Trees of North America | fall | 3 | Lec/Lab |
| ESSM 300 | ECCB 325 | Field Studies in Forest Ecosystems | summer (10-week) | 3 | Lec/Lab |
| ESSM 303 | ECCB 312 | Agrostology | fall | 3 | Lec/Lab |
| ESSM 304 | ECCB 301 | Diversity and Evolution of Plants | spring | 3 | Lec/Lab |
| ESSM 306 | no longer taught | Plant Functional Ecology and Adaptation | inactivated | 3 | Lec |
| ESSM 307 | ECCB 307 | Forest Protection | spring | 3 | Lec/Lab |
| ESSM 308 | ECCB 308 | Fundamentals of Environmental Decision-Making | spring | 3 | Lec |
| ESSM 309 | ECCB 309 | Forest Ecology | spring | 3 | Lec |
| ESSM 310 | ECCB 310 | Forest Tree Physiology and Breeding | spring | 3 | Lec |
| ESSM 311 | ECCB 303 | Fire Ecology and Biogeochemistry | fall/spring | 3 | Lec |
| ESSM 318 | ECCB 318 | Coupled Social and Ecological Systems | not currently offered | 3 | Lec |
| ESSM 319 | ECCB 319 | Principles of Forestry | fall | 3 | Lec/Lab |
| ESSM 320 | ECCB 320 | Ecosystem Restoration and Management | fall | 3 | Lec |
| ESSM 324 | ECCB 324 | Forest Measurements | spring | 2 | Lab |
| ESSM 351 | ECCB 351 | Geographic Information Systems for Resource Management | fall/spring | 3 | Lec/Lab |
| ESSM 405 | ECCB 405 | Forest Resource Assessment and Management | spring | 3 | Lec/Lab |
| ESSM 416 | ECCB 416 | Fire Ecology and Natural Resource Management | see ECCB program coordinator | 3 | Lec |
| ESSM 417 | ECCB 417 | Prescribed Fire | spring (odd yrs) | 4 | Lec/Lab |
| ESSM 420 | ECCB 420 | Ecological Restoration of Wetland and Riparian Systems | spring (even yrs) | 3 | Lec/Lab |
| ESSM 430 | ECCB 430 | Advanced Restoration Ecology | spring | 3 | Lec |
| ESSM 444 | ECCB 444 | Remote Sensing of the Environment | fall | 3 | Lec/Lab |
| ESSM 446 | ECCB 446 | Drones for Environmental Remote Sensing | spring (odd yrs) | 3 | Lec/Lab |
| ESSM 459 | ECCB 407 | Programming for Spatial Data Applications | see ECCB program coordinator | 3 | Lec/Lab |
| ESSM 462 | ECCB 406 | Advanced GIS Analysis for Natural Resources Management | not currently offered | 3 | Lec/Lab |
| ESSM 481 | no longer taught | Senior Seminar | see advisor | 1 | Sem |
| ESSM 484 | ECCB 484 | Internship | fall/spring/summer | Ind | |
| ESSM 491 | ECCB 491 | Research | fall/spring/summer | Res | |
| ESSM 605 | ECCB 605 | The Research Process | fall | 2 | Lec |
| ESSM 621 | ECCB 621 | Physiological Plant Ecology | see ECCB program coordinator | 3 | Lec |
| ESSM 622 | ECCB 622 | Biogeochemistry of Terrestrial Ecosystems | no longer taught | 3 | Lec |
| ESSM 624 | ECCB 607 | Terrestrial Ecosystems and Global Change | not currently offered | 3 | Lec |
| ESSM 626 | ECCB 626 | Fire Ecology | not currently offered | 3 | Lec/Lab |
| ESSM 631 | ECCB 620 | Ecological Restoration of Wetland and Riparian Systems | not currently offered | 3 | Lec/Lab |
| ESSM 633 | ECCB 633 | Coastal Processes and Ecosystem Management | fall (odd yrs) | 3 | Lec |
| ESSM 635 | ECCB 635 | Ecohydrology | spring | 3 | Lec |
| ESSM 646 | ECCB 646 | Drones for Environmental Remote Sensing | spring (odd yrs) | 3 | Lec/Lab |
| ESSM 647 | ECCB 612 | Agrostology | fall | 3 | Lec/Lab |
| ESSM 648 | ECCB 648 | Wetland Plant Taxonomy | not currently offered | 3 | Lec/Lab |
| ESSM 651 | ECCB 651 | Geographic Information System for Resource Management | fall/spring | 3 | Lec/Lab |
| ESSM 652 | ECCB 652 | Advanced Topics in Geographic Information Systems | spring | 3 | Lec/Lab |
| ESSM 655 | ECCB 644 | Remote Sensing of the Environment | fall | 3 | Lec/Lab |
| ESSM 656 | ECCB 656 | Advanced Remote Sensing | spring (even yrs) | 3 | Lec/Lab |
| ESSM 660 | ECCB 660 | Landscape Analysis and Modeling | not currently offered | 3 | Lec/Lab |
| ESSM 671 | ECCB 671 | Ecological Economics | spring | 3 | Lec |
| ESSM 681 | ECCB 681 | Seminar | fall/spring | 1 | Sem |
| ESSM 684 | ECCB 684 | Professional Internship | fall/spring/summer | Ind | |
| ESSM 685 | ECCB 685 | Directed Studies | fall/spring/summer | Ind | |
| ESSM 691 | ECCB 691 | Research | fall/spring/summer | Res | |
| FRSC 420 | ECCB 408 | Arboriculture | not currently offered | 3 | Lec/Lab |
| new | ECCB 101 | Introduction to Ecology and Conservation Biology | fall/spring | 1 | Lec |
| new | ECCB 285 | Directed Studies: Professional Writing | fall/spring | 1 | Ind |
| new | ECCB 485 | Directed Studies: Senior Writing | fall/spring | 1 | Ind |
| new | ECCB 600 | Population, Communities and Ecosystems | fall | 3 | Lec |
| RENR 205 | ECCB 205 | Fundamentals of Ecology | fall/spring | 3 | Lec |
| RENR 215 | ECCB 215 | Fundamentals of Ecology–Laboratory | fall/spring | 1 | Lab |
| RENR 405 | ECCB 351 | Geographic Information Systems for Resource Management | fall/spring | 3 | Lec/Lab |
| RENR 460 | ECCB 460 | Nature, Values, and Protected Areas | fall | 3 | Lec |
| RENR 484 | ECCB 484 | Internship | fall/spring/summer | Ind | |
| RENR 659 | ECCB 671 | Ecological Economics | fall/spring | 3 | Lec |
| WFSC 302 | ECCB 302 | Diversity and Evolution of Vertebrates | fall/spring | 3 | Lec/Lab |
| WFSC 304 | ECCB 304 | Conservation Biology | fall/spring | 3 | Lec |
| WFSC 311 | ECCB 311 | Ichthyology | fall | 3 | Lec/Lab |
| WFSC 314 | ECCB 314 | Down River: Biology of Gulf Coastal Fishes | summer | 3 | Lec/Lab |
| WFSC 315 | ECCB 315 | Herpetology | spring | 3 | Lec/Lab |
| WFSC 316 | ECCB 316 | Field Herpetology | spring | 1 | Lab |
| WFSC 335 | ECCB 313 | Diversity and Evolution of Invertebrates | fall/spring | 3 | Lec |
| WFSC 401 | ECCB 401 | General Mammalogy | fall/spring | 3 | Lec/Lab |
| WFSC 402 | ECCB 402 | General Ornithology | spring | 3 | Lec/Lab |
| WFSC 403 | ECCB 403 | Population and Community Ecology | fall/spring | 3 | Lec |
| WFSC 415 | ECCB 415 | Coastal Marine Biology and Geology of Alaska | see ECCB program coordinator | 3 | Lec |
| WFSC 422 | ECCB 422 | Behavioral Ecology | spring | 3 | Lec |
| WFSC 433 | ECCB 400 | Molecular Ecology | fall/spring | 3 | Lec |
| WFSC 448 | ECCB 448 | Fish Ecophysiology | not currently offered | 3 | Lec |
| WFSC 450 | ECCB 450 | Caribbean Conservation | summer | 2 | Lab |
| WFSC 451 | ECCB 451 | Caribbean Research Seminar | summer | 1 | Lab |
| WFSC 454 | ECCB 454 | Amazon Field School | not currently offered | 4 | Lec |
| WFSC 462 | ECCB 462 | Amazon River Tropical Biology | spring | 3 | Lec |
| WFSC 602 | ECCB 616 | Field Herpetology | spring | 1 | Lab |
| WFSC 604 | ECCB 603 | Ecological Modeling | spring | 3 | Lec |
| WFSC 605 | see note | Community Ecology | inactivated | ||
| WFSC 613 | no longer taught | Animal Ecology | inactivated | ||
| WFSC 614 | ECCB 614 | Down River: Biology of Gulf Coastal Fishes | summer | 1 | Lab |
| WFSC 624 | ECCB 613 | Dynamics of Populations | fall | 3 | Lec |
| WFSC 631 | ECCB 631 | Ecological Applications in R | spring | 3 | Lec |
| WFSC 633 | ECCB 634 | Conservation Genetics | not currently offered | 3 | Lec |
| WFSC 639 | no longer taught | Wildlife Ecotoxicology | inactivated | 3 | Lec |
| WFSC 646 | ECCB 606 | Quantitative Phylogenetics | spring | 3 | Lec/Lab |
| WFSC 648 | ECCB 602 | Molecular Evolution | spring | 3 | Lec/Lab |
| WFSC 654 | ECCB 654 | Amazon Field School | not currently offered | 3 | Lec/Lab |
| WFSC 655 | ECCB 655 | Applied Biodiversity Science I | spring (even yrs) | 3 | Lec |
| WFSC 670 | ECCB 670 | Excel Biometry | not currently offered | 3 | Lec |