DP Biology (first assessment 2025)

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Question 22M.2.SL.TZ1.f

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.2.SL.TZ1.f
Level SL Paper 2 Time zone TZ1
Command term Suggest Question number f Adapted from N/A
f.
[Maximum mark: 1]
22M.2.SL.TZ1.f

The researchers assessed age as a proportion of normal life span, rather than in years. Suggest one reason for this.

[1]

Markscheme
  1. to allow comparison of bears and humans;
  2. bears have a different life span to humans / bears do not live to 80 years;
  3. because they age at different rates;
Examiners report

Most candidates were successful here, using the argument that humans and bears have different life spans.

Syllabus sections