IB Biology Continuity and Change Concepts

Continuity and Change links inheritance, regulation, reproduction, selection and environmental change to explain stability and transformation in cells, organisms and populations.

Exam analysis

Published Concept evidence in Continuity and Change repeatedly connects genetic mechanisms, cell division, inheritance, regulation and selection. The strongest pattern is explaining how information is maintained, altered and acted on across cells, organisms and populations.

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Recent 5 years · Updated 22 Jul 2026

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