DP Biology (first assessment 2025)

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Question 22M.1A.SL.TZ2.23

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ2.23
Level SL Paper 1A Time zone TZ2
Command term Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
22M.1A.SL.TZ2.23

Which factor(s) would favour evolution by natural selection?

I. Long lifespans

II. Favourable characteristics acquired by individuals during their lifetime

III. Variation within a species

A. II only

B. III only

C. I and II

D. I and III

[1]

Markscheme

B

Examiners report

The question did discriminate well. It was commented that the word ‘lifespans’ may be difficult for non-native English speakers.

Syllabus sections