Hardest BIO classes at URI

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

BIO 208X: The Invisible Living Ocean Average GPA 2.52, 120 students
BIO 101: Principles of Biology I Average GPA 2.53, 11,531 students
BIO 321: Plant Diversity Average GPA 2.59, 624 students
BIO 110: Fundamentals of Biology Average GPA 2.62, 1,315 students
BIO 272: Introduction to Evolution Average GPA 2.62, 958 students
BIO 352: General Genetics Average GPA 2.63, 2,921 students
BIO 220: Human Anatomy & Physiology I Average GPA 2.65, 7,157 students
BIO 222: Human Anatomy & Physiology Ii Average GPA 2.66, 5,442 students
BIO 346: Plant Physiology Average GPA 2.67, 367 students
BIO 311: Plant Structure and Develop. Average GPA 2.72, 385 students
BIO 365: Biology of Algae Average GPA 2.74, 145 students
BIO 121: Human Anatomy Average GPA 2.75, 5,237 students
BIO 308: The Invisible Living Ocean Average GPA 2.76, 1,054 students
BIO 105: Biology for Daily Life W/lab Average GPA 2.76, 240 students
BIO 201: General Animal Physiology Average GPA 2.77, 354 students
BIO 412: Evolution & Div. of Fishes Average GPA 2.78, 157 students
BIO 102: Principles Biology Ii Average GPA 2.82, 6,175 students
BIO 242: Intro Human Physiology Average GPA 2.83, 5,552 students
BIO 262: Introductory Ecology Average GPA 2.89, 2,779 students
BIO 282G: Changing Nature of Human Evol Average GPA 2.92, 316 students
BIO 221: Human Anatomy/physiology I Lab Average GPA 2.97, 6,547 students
BIO 354: Invertebrate Zoology Average GPA 2.99, 293 students
BIO 302: Animal Development Average GPA 3.04, 253 students
BIO 455: Marine Ecology Average GPA 3.06, 398 students
BIO 341: Principles of Cell Biology Average GPA 3.07, 2,075 students
BIO 300: Physiology of Exercise Average GPA 3.09, 325 students
BIO 467: Animal Behavior Average GPA 3.11, 250 students
BIO 437: Fundamentals of Molecular Bio Average GPA 3.13, 240 students
BIO 360: Marine Biology Average GPA 3.14, 1,067 students
BIO 385: Introductory Entomology Average GPA 3.15, 514 students
BIO 366: Vertebrate Biology Average GPA 3.15, 432 students
BIO 103: Principles of Biology Lab I Average GPA 3.19, 14,756 students
BIO 101H: Honors Section Prin. of Bio. I Average GPA 3.20, 164 students
BIO 301: Physiology Exercise Laboratory Average GPA 3.21, 178 students
BIO 345: Marine Enviro Physiol Average GPA 3.23, 207 students
BIO 104: Principles of Biology Lab Ii Average GPA 3.25, 5,771 students
BIO 332: Plant Pathology Average GPA 3.26, 692 students
BIO 422X: Biology of Sharks Average GPA 3.26, 111 students
BIO 286: Humans, Insects, and Disease Average GPA 3.37, 381 students
BIO 323: Field Bot & Taxonomy Average GPA 3.41, 438 students
BIO 355: Marine Invertebrate Southrn Ne Average GPA 3.46, 301 students
BIO 223: Human Anatomy/physiologyii Lab Average GPA 3.47, 4,727 students
BIO 396: Biology and Society Average GPA 3.49, 654 students
BIO 422: Biology of Sharks Average GPA 3.52, 138 students
BIO 130: Topics Marine Biology Average GPA 3.58, 1,528 students
BIO 181G: Info Age: Politics to Medicine Average GPA 3.58, 142 students
BIO 244: Intr Human Physiology Lab Average GPA 3.61, 2,930 students
BIO 331: Parasitology Average GPA 3.67, 237 students
BIO 594: Special Topics in Bio Sciences Average GPA 3.83, 181 students