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IB Biology HL 3.2.14 Continuous variation Question Bank

Practise IB Biology SL/HL 3.2.14 by applying continuous variation 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

D3.2.14—Continuous variation question 1

[Maximum number: 2]

Male and female human skeletons obtained from different archaeological sites in Greece were studied in order to find trends in human height evolution in Europe. The box-and

whisker plots show heights of skeletons dating from two historical periods: Neolithic (6500-3000 BC) and Roman (146-324 AD).

Figure for Question D3.2.14—Continuous variation question 1 — IB Biology HL

Using the data, discuss the hypothesis that variation in human height is due to polygenic inheritance.

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