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Stability and change · IB Biology HL

BiologyTopic D4.2P2

Stability and change — IB Biology HL practice

Syllabus point D4.2 on Biology HL. Revise the topic, then upload your response for criterion-based marking — band-by-band feedback against official IB assessment criteria, not a generic AI grade.

Practice task

Biology — P2: Stability and change Submit your work on "Stability and change" for IB criterion-based examiner feedback. IB Biology HL — data response and extended response against markbands. Paste your response below (essay extract, exhibition commentary, comparative analysis, reflection, etc.) or upload a photo of handwritten work.

Upload your answer for marking →

IB Biology HL — data response and extended response against markbands.

Frequently asked questions

How do I practise IB Biology Stability and change?
Revise the free lesson on Stability and change (D4.2), then submit your response for criterion-based marking. IB examiners use markbands — our /mark tool scores band-by-band against the official descriptors.
What assessment criteria apply to Stability and change?
For IB Biology HL, marking uses: IB Biology HL — data response and extended response against markbands.. Upload your work to see where your response sits in each band.
Is Stability and change (D4.2) free on MarkScheme?
Criterion practice marking for Stability and change is free on MarkScheme.