DP Biology (first assessment 2025)

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Question 23M.1A.SL.TZ2.17

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.SL.TZ2.17
Level SL Paper 1A Time zone TZ2
Command term Question number 17 Adapted from N/A
17.
[Maximum mark: 1]
23M.1A.SL.TZ2.17

Which is an example of evolution by selective breeding?

A.  Selection of prey animals that can run faster than their predators

B.  The variation in the size of different breeds of dogs

C.  The tendency, during breeding, for birds to produce more offspring than will survive

D.  Some female spiders only breeding with males which make the right signals

[1]

Markscheme

B

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