Hardest BIOL classes at Oklahoma State

Ranked by average GPA from official grade distributions. Only courses with at least 100 graded students.

  1. BIOL 1114: Introductory Biology (LN) Average GPA 2.56, 5,687 students
  2. BIOL 1604: Animal Biology Average GPA 2.77, 4,780 students
  3. BIOL 4184: Herpetology Average GPA 2.81, 123 students
  4. BIOL 3214: Human Anatomy Average GPA 2.86, 2,516 students
  5. BIOL 3153: Animal Behavior Average GPA 2.86, 480 students
  6. BIOL 1113: Introductory Biology (N) Average GPA 2.88, 6,805 students
  7. BIOL 3513: Princ Conservatn Biol Average GPA 3.00, 214 students
  8. BIOL 4133: Evolution Average GPA 3.09, 1,479 students
  9. BIOL 3204: Physiology Average GPA 3.13, 5,474 students
  10. BIOL 3114: Vertebrate Morphology Average GPA 3.14, 578 students
  11. BIOL 4413: Biology of Fishes Average GPA 3.17, 126 students
  12. BIOL 4253: Pharmacology Average GPA 3.25, 347 students
  13. BIOL 3034: General Ecology Average GPA 3.27, 1,667 students
  14. BIOL 3023: General Genetics Average GPA 3.36, 2,974 students
  15. BIOL 3123: Human Heredity (N) Average GPA 3.37, 430 students
  16. BIOL 4174: Mammalogy Average GPA 3.37, 343 students
  17. BIOL 4104: General Parasitology Average GPA 3.38, 459 students
  18. BIOL 2003: Biology for the Citizen (N) Average GPA 3.39, 175 students
  19. BIOL 4073: Principles of Neuroscience Average GPA 3.43, 193 students
  20. BIOL 1111: Introductory Biology Lab (LN) Average GPA 3.50, 6,364 students
  21. BIOL 3163: Environmental Biology Average GPA 3.51, 393 students
  22. BIOL 3104: Invertebrate Zoology Average GPA 3.60, 354 students
  23. BIOL 4464: Ornithology Average GPA 3.63, 142 students
  24. BIOL 4215: Mammalian Physiology Average GPA 3.70, 215 students
  25. BIOL 5003: Grad Orientation Development Average GPA 3.80, 103 students
  26. BIOL 2890: Animal Biology: Honors Average GPA 3.83, 447 students
  27. BIOL 4223: Mammalian Physiology Lab Average GPA 3.89, 206 students
  28. BIOL 3890: Evol Med & Human Body: Honors Average GPA 3.95, 307 students
  29. BIOL 5623: Ecological Data and Hypothesis Average GPA 3.95, 129 students
  30. BIOL 5020: Advanced Limnology Average GPA 3.97, 118 students
  31. BIOL 4700: Cllct of Vertebrates Practicum Average GPA 3.98, 550 students
  32. BIOL 5010: Extreme Physiology Average GPA 4.00, 209 students

See also: Easiest classes, Oklahoma State course catalog, BIOL course catalog.

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