DP Biology (first assessment 2025)

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Question 22N.2.HL.TZ0.1b

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Date November 2022 Marks available [Maximum mark: 1] Reference code 22N.2.HL.TZ0.1b
Level HL Paper 2 Time zone TZ0
Command term Outline Question number b Adapted from N/A
b.
[Maximum mark: 1]
22N.2.HL.TZ0.1b
(b)

Outline how the shrew labelled P differs from the normal relationship between BCH and brain mass.

[1]

Markscheme
  1. high BCH but brain mass is low/lower than expected/lower than others with similar BCH;
  2. (fairly) low brain mass but BCH is high/higher than expected/higher than others with similar brain mass;
Examiners report

Almost all candidates understood what made P an outlier, but not all could express lucidly how it deviated from the trend.

Syllabus sections