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IB Biology HL C3.1.2 Hierarchy in Multicellular Organisms Questions

Explore how coordinated nerve cells form an organized brain whose thinking is an emergent property of multicellular hierarchy in IB Biology HL C3.1.2.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain that multicellular organization forms a hierarchy from cells to tissues, organs, organ systems and whole organisms, enabling properties not present in isolated cells.
  • Use the organized-brain example to identify thinking as an emergent property produced by coordinated interactions among many nerve cells.

IB Biology HL C3.1.2 Hierarchy in Multicellular Organisms Questions question 1

[Maximum number: 1]

Though a single nerve cell does not think, millions of them organized as a brain result in thinking. What kind of property does thinking represent?

A

Anatomical

B

Adaptive

C

Extracellular

D

Emergent

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