IA
Internal Assessment
Method, precision, and reflection in a compact format.
Guide Focus
Design a focused investigation, control variables cleanly, and evaluate with biological precision.
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Biology Subject Guides
A rubric-first playbook for focused experiments, precise data handling, and evidence-led biological argument. Open a guide, learn the criteria, then jump into guided practice to improve your next draft.
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EE
Extended Essay
Independent research depth and critical thinking over 4,000 words.
Guide Focus
Develop an independent biological question with strong subject knowledge, sharp critical thinking, and disciplined structure.
How To Use This Hub
Choose IA, EE, or IO based on your task, then use the criteria, markbands, and checklist sections to plan revisions in order.