DP Biology (first assessment 2025)

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Question SPM.1A.HL.TZ0.40

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.40
Level HL Paper 1A Time zone TZ0
Command term Question number 40 Adapted from N/A
40.
[Maximum mark: 1]
SPM.1A.HL.TZ0.40

Domestic dogs (Canis familiaris) have evolved from grey wolves (Canis lupus). Evidence suggests that the domestication of dogs first occurred around 30 000 years ago. Which best describes the evolution giving rise to the domestic dog?


A.  The wolf produced offspring in large numbers which underwent natural selection.

B.  Variations in the wolf population that resembled modern dogs favoured wolf survival.

C.  Wolves showing favourable traits were selected for breeding.

D.  Dogs were better suited to changes in the natural environment than wolves.

[1]

Markscheme

C

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