Biology
IB Biology investigates living systems at various levels, from molecules to ecosystems. Students explore topics such as cell biology, genetics, ecology, and human physiology, developing scientific inquiry skills through practical work and research.
21,501 students
4.2 average grade
Difficulty
Grade distribution
Helpful Guides
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![Biology IA word count and page limit [2025 UPDATED] cover image](/_next/image?url=https%3A%2F%2Fclastify-cms-static-assets.s3.eu-west-2.amazonaws.com%2Fhq_76488_A_minimalist_hand_drawn_doodle_sketch_illustration_c_30e2d6e0_0257_4a8f_87fc_9d53905bbc05_0_5f09f4be38.png&w=3840&q=75)
21,501 students
4.2 average grade
Difficulty
Grade distribution
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