DP Biology (first assessment 2025)

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Question 23M.1A.HL.TZ2.33

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.HL.TZ2.33
Level HL Paper 1A Time zone TZ2
Command term Question number 33 Adapted from N/A
33.
[Maximum mark: 1]
23M.1A.HL.TZ2.33

The graphs show how the frequency (f) of a trait within a population changes when subjected to selection pressures. Which graph shows stabilizing selection?

[1]

Markscheme

B

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