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IB Biology HL 4.2.13 Changes during primary succession Question Bank

Practise IB Biology HL 4.2.13 by applying changes during primary succession concepts to exam-style questions.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • identify the relevant biological structure, process or evidence
  • apply the correct biological mechanism to the question
  • evaluate the result using data, adaptation or ecological reasoning

D4.2.13 (HL)—Changes during primary succession question 1

[Maximum number: 3]

A retreating glacier leaves an environment of lifeless glacial deposits, including sands and gravels. Retreating glaciers often offer suitable sites for primary succession.

Figure for Question D4.2.13 (HL)—Changes during primary succession question 1 — IB Biology HL

Predict the process of succession that takes place on exposed bare ground as the glacier retreats.

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