← Biology (BIOLOGY)

Hardest courses in Biology

Plan ahead for courses where students have earned lower grades.

Lowest historical GPA first. At least 100 letter grades over the five years through the selected term. Grades reflect past outcomes, not workload or a guaranteed result.

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6 courses

Historical grades cover up to five years through the selected term. Only courses with at least 100 letter grades are ranked.

ANIMAL BIOLOGY covers general biological principles including evolution, ecology, genetics, and human physiology.

Offering recorded · Fall 2026

The course is content-heavy, requiring significant study time for exams. Reviews describe tests as difficult or confusing, with some noting that attendance is crucial for success.

historical GPA · grades

Spring 2022–Spring 2026

General Botany introduces basic plant biology principles, focusing on evolutionary sequences and structure-function relationships across organizational levels.

Offering recorded · Fall 2026

Historical reviews of David Baum, Linda Graham: One review suggests the workload is light if you attend lectures, while another indicates quizzes are difficult despite reading the textbook.

historical GPA · grades

Spring 2022–Spring 2026

Introductory Biology covers cell structure, metabolism, genetic information flow, genetics principles, and animal physiology.

Offering recorded · Fall 2026

The course requires outside class hours to grasp lecture material and complete lab reports.

historical GPA · grades

Spring 2022–Spring 2026

ANIMAL BIOLOGY LABORATORY introduces general animal biology concepts, evolutionary relationships, body plans, and diversity through dissection and ecological study.

Offering recorded · Fall 2026

Historical reviews of Sarah Edlund: Reviewers note that the biology content can be overwhelming, but the instructor makes learning the lab material enjoyable and encourages students to ask questions.

historical GPA · grades

Spring 2022–Spring 2026

Introductory Biology covers plant physiology, organismal kingdoms, evolution, and ecology.

Offering recorded · Fall 2026

The botany portion requires plenty of memorization. Lectures are dense in content but explained clearly and slowly, with pauses for questions.

historical GPA · grades

Spring 2022–Spring 2026

This course explores contemporary evolutionary biology while developing critical thinking and communication skills through seminars and primary literature analysis.

Offering recorded · Fall 2026

historical GPA · grades

Spring 2022–Spring 2026