ConceptConceptDocsDocuments

IB Biology HL 4.2.6 Sustainable resource harvesting Question Bank

Practise IB Biology SL/HL 4.2.6 by applying sustainable resource harvesting 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

D4.2.6—Sustainable resource harvesting question 1

[Maximum number: 4]

The diagram shows levels of DDT, a pesticide, in an aquatic food web in Lake Kariba, Africa. Numbers represent ppm (parts per million) of DDT in fat tissue.

Figure for Question D4.2.6—Sustainable resource harvesting question 1 — IB Biology HL

Discuss the impact of overfishing in Lake Kariba and how sustainable harvesting of resources can be assessed.

All question bank results loaded