IB Biology HL 3.1.1 System Integration Question Bank

Practise IB Biology HL 3.1.1 by using biofilms and nervous systems to explain how organised components create emergent properties.

Exam points

Explain why biofilms show emergent properties that cannot be predicted from individual bacterial cells.
Use the brain example to distinguish system-level thinking from the properties of a single nerve cell.

[Maximum number: 3]

The diagram shows a biofilm that has formed on a tooth.

Using the diagram, explain the concept of emergent properties of biofilms.

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