Field GuideSan MarcosNear Texas StateAny budget · Fall 2027

BIO · 221 courses

BIO courses at Texas State University

Browse course codes and credit hours in the official 2026–27 catalog.

Catalog courses

  1. BIO 1130Functional Biology Laboratory1 credit hours
  2. BIO 1131Organismal Biology Laboratory1 credit hours
  3. BIO 1320Modern Biology - Molecules, Cells, and Physiology3 credit hours
  4. BIO 1321Ecology, Evolution, and Society3 credit hours
  5. BIO 1330Functional Biology3 credit hours
  6. BIO 1331Organismal Biology3 credit hours
  7. BIO 2116Genetics Lab1 credit hours
  8. BIO 2316Genetics3 credit hours
  9. BIO 2400Microbiology4 credit hours
  10. BIO 2410Intermediate General Botany4 credit hours
  11. BIO 2411Intermediate Zoology4 credit hours
  12. BIO 2430Human Physiology and Anatomy4 credit hours
  13. BIO 2440Principles of Microbiology4 credit hours
  14. BIO 2451Human Anatomy and Physiology I4 credit hours
  15. BIO 2452Human Anatomy and Physiology II4 credit hours
  16. BIO 3210Biology Pedagogy and Learning2 credit hours
  17. BIO 3300Cell and Molecular Biology3 credit hours
  18. BIO 3301Biology of Sex and Reproduction3 credit hours
  19. BIO 3307Global Biogeography: Patterns, Processes, and Conservation3 credit hours
  20. BIO 3308Global Ecology3 credit hours
  21. BIO 3332R for Biologists3 credit hours
  22. BIO 3341Aquatic Toxicology3 credit hours
  23. BIO 3361Introduction to Applied Bioinformatics3 credit hours
  24. BIO 3371Marine Resources3 credit hours
  25. BIO 3376Introduction to Biotechnology3 credit hours
  26. BIO 3406Economic Botany4 credit hours
  27. BIO 3421Vertebrate Physiology4 credit hours
  28. BIO 3425Human Anatomy4 credit hours
  29. BIO 3426Human Physiology4 credit hours
  30. BIO 3430Mycology4 credit hours
  31. BIO 3442Virology4 credit hours
  32. BIO 3460Aquatic Ecology4 credit hours
  33. BIO 3461Plant Taxonomy4 credit hours
  34. BIO 3480Histology4 credit hours
  35. BIO 4126Immunology Laboratory1 credit hours
  36. BIO 4166Medical Microbiology Laboratory1 credit hours
  37. BIO 4176Microbial Biotechnology Laboratory1 credit hours
  38. BIO 4299Undergraduate Research2 credit hours
  39. BIO 4300Neurobiology3 credit hours
  40. BIO 4301Evolution3 credit hours
  41. BIO 4304Wildlife and Recreation: Impact, Policy, and Management3 credit hours
  42. BIO 4307Ecology of Rarity3 credit hours
  43. BIO 4308Global Change Biology3 credit hours
  44. BIO 4311Cancer Biology3 credit hours
  45. BIO 4312Genomics3 credit hours
  46. BIO 4317Interpretive Biology Programming and Design3 credit hours
  47. BIO 4318Wildlife Policy and Law3 credit hours
  48. BIO 4319Biological Resources: Conservation and Planning3 credit hours
  49. BIO 4324Natural History and Conservation of Large Mammals3 credit hours
  50. BIO 4326Immunology3 credit hours
  51. BIO 4327Issues in Irish Biodiversity and Conservation3 credit hours
  52. BIO 4328Field Biology of Ireland3 credit hours
  53. BIO 4329Raptor Ecology3 credit hours
  54. BIO 4331Human Dimensions of Wildlife and Fisheries Conservation3 credit hours
  55. BIO 4332Biology in Film and Television: An Analysis of the Biology in Fiction and Non-Fiction Film and TV3 credit hours
  56. BIO 4333International Studies of Plant Ecology and Conservation3 credit hours
  57. BIO 4334International Studies of Wildlife Ecology and Natural History3 credit hours
  58. BIO 4337Biology and Conservation of Sharks3 credit hours
  59. BIO 4338Tropical Ecology and Conservation3 credit hours
  60. BIO 4339Environmental Physiology of Animals3 credit hours
  61. BIO 4343Fish Physiology3 credit hours
  62. BIO 4344Vertebrate Endocrinology3 credit hours
  63. BIO 4346Comparative Immunology3 credit hours
  64. BIO 4350ZDiversity and Cultural Impact of Geoparks3 credit hours
  65. BIO 4351RInfectious Diseases3 credit hours
  66. BIO 4360Molecular Biology3 credit hours
  67. BIO 4363History of Medicine3 credit hours
  68. BIO 4366Medical Microbiology3 credit hours
  69. BIO 4374Principles of Zoo Management3 credit hours
  70. BIO 4376Microbial Biotechnology3 credit hours
  71. BIO 4400Plants Important for Wildlife4 credit hours
  72. BIO 4402Earth Science I4 credit hours
  73. BIO 4403Earth Science II4 credit hours
  74. BIO 4408Scientific Practices and Pedagogy4 credit hours
  75. BIO 4410Field Biology of Plants4 credit hours
  76. BIO 4411Morphology of the Vascular Plants4 credit hours
  77. BIO 4412Plant Anatomy4 credit hours
  78. BIO 4415Ichthyology4 credit hours
  79. BIO 4416General Ecology4 credit hours
  80. BIO 4418Field Ornithology4 credit hours
  81. BIO 4420Natural History of the Vertebrates4 credit hours
  82. BIO 4421Ornithology4 credit hours
  83. BIO 4422Mammalogy4 credit hours
  84. BIO 4423Wildlife Management4 credit hours
  85. BIO 4424AMicrobial Symbiosis4 credit hours
  86. BIO 4425Biometry4 credit hours
  87. BIO 4429Wetland Plant Ecology and Management4 credit hours
  88. BIO 4432Microbial Genomics4 credit hours
  89. BIO 4434Herpetology4 credit hours
  90. BIO 4435Techniques in Wildlife Management4 credit hours
  91. BIO 4441Cellular Physiology4 credit hours
  92. BIO 4446Microbial Ecology4 credit hours
  93. BIO 4448Bacterial Genetics4 credit hours
  94. BIO 4454Plant Ecology4 credit hours
  95. BIO 4455Plant Physiology4 credit hours
  96. BIO 4464Vertebrate Anatomy4 credit hours
  97. BIO 4465General Entomology4 credit hours
  98. BIO 4470Limnology: The Study of Inland Aquatic Ecosystems4 credit hours
  99. BIO 4472Animal Behavior4 credit hours
  100. BIO 4480Cytology and Microtechnique4 credit hours
  101. BIO 4481Internship in Biological Laboratory Technologies4 credit hours
  102. BIO 4490Principles of Developmental Biology4 credit hours
  103. BIO 5100Professional Development1 credit hours
  104. BIO 5110Seminar in Biology1 credit hours
  105. BIO 5114Collaborative Research1 credit hours
  106. BIO 5166Medical Microbiology Laboratory1 credit hours
  107. BIO 5176Microbial Biotechnology Laboratory1 credit hours
  108. BIO 5199BThesis B1 credit hours
  109. BIO 5214Collaborative Research2 credit hours
  110. BIO 5295Fundamentals of Research2 credit hours
  111. BIO 5299BThesis2 credit hours
  112. BIO 5300Neurobiology3 credit hours
  113. BIO 5301Evolution3 credit hours
  114. BIO 5304Wildlife and Recreation: Impact, Policy, and Management3 credit hours
  115. BIO 5307Ecology of Rarity3 credit hours
  116. BIO 5311Cancer Biology3 credit hours
  117. BIO 5314Collaborative Research3 credit hours
  118. BIO 5316Genomics3 credit hours
  119. BIO 5317Interpretive Biology Programming and Design3 credit hours
  120. BIO 5327Issues in Irish Biodiversity and Conservation3 credit hours
  121. BIO 5328Field Biology of Ireland3 credit hours
  122. BIO 5329Raptor Ecology3 credit hours
  123. BIO 5331Human Dimensions of Wildlife and Fisheries Conservation3 credit hours
  124. BIO 5332Biology in Film and Television: An Analysis of the Biology in Fiction and Non-Fiction Film and TV3 credit hours
  125. BIO 5333International Studies of Plant Ecology and Conservation3 credit hours
  126. BIO 5334International Studies of Wildlife Ecology and Natural History3 credit hours
  127. BIO 5339Environmental Physiology of Animals3 credit hours
  128. BIO 5346Comparative Immunology3 credit hours
  129. BIO 5350ZDiversity and Cultural Dimensions of Geoparks3 credit hours
  130. BIO 5356Plant Physiology3 credit hours
  131. BIO 5363History of Medicine3 credit hours
  132. BIO 5366Medical Microbiology3 credit hours
  133. BIO 5374Principles of Zoo Management3 credit hours
  134. BIO 5376Microbial Biotechnology3 credit hours
  135. BIO 5390Problems in the Biological Sciences3 credit hours
  136. BIO 5399AThesis3 credit hours
  137. BIO 5399BThesis3 credit hours
  138. BIO 5400Plants Important for Wildlife4 credit hours
  139. BIO 5410Field Biology of Plants4 credit hours
  140. BIO 5411Morphology of the Vascular Plants4 credit hours
  141. BIO 5412Plant Anatomy4 credit hours
  142. BIO 5415Ichthyology4 credit hours
  143. BIO 5418Field Ornithology4 credit hours
  144. BIO 5420Natural History of the Vertebrates4 credit hours
  145. BIO 5421Ornithology4 credit hours
  146. BIO 5422Mammalogy4 credit hours
  147. BIO 5423Wildlife Management4 credit hours
  148. BIO 5432Microbial Genomics4 credit hours
  149. BIO 5435Techniques in Wildlife Management4 credit hours
  150. BIO 5441Cellular Physiology4 credit hours
  151. BIO 5443Fish Physiology4 credit hours
  152. BIO 5448Bacterial Genetics4 credit hours
  153. BIO 5454Plant Ecology4 credit hours
  154. BIO 5465General Entomology4 credit hours
  155. BIO 5470Limnology: The study of inland aquatic ecosystems4 credit hours
  156. BIO 5472Animal Behavior4 credit hours
  157. BIO 5480Cytology and Microtechnique4 credit hours
  158. BIO 5481Internship in Biological Laboratory Technologies4 credit hours
  159. BIO 5490Principles of Developmental Biology4 credit hours
  160. BIO 5599BThesis5 credit hours
  161. BIO 5999BThesis9 credit hours
  162. BIO 7100Professional Development1 credit hours
  163. BIO 7102SEMINAR IN INTEGRATIVE AND APPLIED BIOLOGY1 credit hours
  164. BIO 7104Marine Pollution1 credit hours
  165. BIO 7105Environmental Issues through Documentaries1 credit hours
  166. BIO 7106Molecular Biology of the Cell1 credit hours
  167. BIO 7107Molecular Genetics of Plant Development1 credit hours
  168. BIO 7114Collaborative Research1 credit hours
  169. BIO 7120Population Biology Seminar1 credit hours
  170. BIO 7199ADissertation1 credit hours
  171. BIO 7214Collaborative Research2 credit hours
  172. BIO 7299ADissertation2 credit hours
  173. BIO 7300Communicating Science3 credit hours
  174. BIO 7301College Science Teaching3 credit hours
  175. BIO 7302Problems in Aquatic Resources3 credit hours
  176. BIO 7303Research3 credit hours
  177. BIO 7307Global Change Biology3 credit hours
  178. BIO 7310Global Aquatic Resources3 credit hours
  179. BIO 7311Ecology of Temporary Waters3 credit hours
  180. BIO 7314Collaborative Research3 credit hours
  181. BIO 7318Wildlife Policy and Law3 credit hours
  182. BIO 7324Natural History and Conservation of Large Mammals3 credit hours
  183. BIO 7326Immunobiology3 credit hours
  184. BIO 7327Ecological Immunology3 credit hours
  185. BIO 7331Human Dimensions of Wildlife and Fisheries Conservation3 credit hours
  186. BIO 7332Introduction to R Programming for Biologists3 credit hours
  187. BIO 7333Phylogenetic Comparative Methods3 credit hours
  188. BIO 7336Evolutionary Ecology3 credit hours
  189. BIO 7342Virology3 credit hours
  190. BIO 7346Conservation Biology3 credit hours
  191. BIO 7353Biogeography3 credit hours
  192. BIO 7354Applied Analyses of Populations3 credit hours
  193. BIO 7360PRegulation of Plant Growth and Development3 credit hours
  194. BIO 7360RCommunity and Ecosystem Ecology3 credit hours
  195. BIO 7360TKarst Hydrogeology and Geomorphology3 credit hours
  196. BIO 7361ADiscipline-Based Educational Research Methods3 credit hours
  197. BIO 7361CAdvanced Genomics and Bioinformatics3 credit hours
  198. BIO 7361HProfessional Research Ethics in Life Sciences3 credit hours
  199. BIO 7377Applied Bioinformatics3 credit hours
  200. BIO 7399ADissertation3 credit hours
  201. BIO 7402Molecular Field Techniques4 credit hours
  202. BIO 7405Statistics and Experimental Design I4 credit hours
  203. BIO 7406Statistics and Experimental Design II4 credit hours
  204. BIO 7410Aquatic Microbial Ecology4 credit hours
  205. BIO 7412Environmental Hydrology4 credit hours
  206. BIO 7414Ecology of Infectious Diseases in Wildlife4 credit hours
  207. BIO 7419Stream Ecology4 credit hours
  208. BIO 7426Ecology and Management of Aquatic Macrophytes4 credit hours
  209. BIO 7427Principles of Population Biology I4 credit hours
  210. BIO 7428Principles of Population Biology II4 credit hours
  211. BIO 7430Mycology4 credit hours
  212. BIO 7433Population Genetics4 credit hours
  213. BIO 7434Herpetology4 credit hours
  214. BIO 7440Aquatic Toxicology4 credit hours
  215. BIO 7443Vertebrate Endocrinology4 credit hours
  216. BIO 7466Phylogenetics4 credit hours
  217. BIO 7468Groundwater Resources4 credit hours
  218. BIO 7472Agent-Based Modeling and Ecology4 credit hours
  219. BIO 7599ADissertation5 credit hours
  220. BIO 7699ADissertation6 credit hours
  221. BIO 7999ADissertation9 credit hours