DP Biology (first assessment 2025)

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Question 23M.1A.HL.TZ2.25

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.1A.HL.TZ2.25
Level HL Paper 1A Time zone TZ2
Command term Question number 25 Adapted from N/A
25.
[Maximum mark: 1]
23M.1A.HL.TZ2.25

The diagram shows a cladogram for part of the animal kingdom.

[Source: Semmens, D.C., Mirabeau, O., Moghul, I., Pancholi, M.R., Wurm, Y. and Elphick, M.R., 2016. Transcriptomic identification of starfish neuropeptide precursors yields new insights into neuropeptide evolution. Open Biology, [e-journal] 6(2). https://doi.org/10.1098/rsob.150224. Source adapted. Public domain.]

 

Which group does not represent a clade?


A.  1 to 3

B.  1 to 5

C.  4 to 7

D.  1 to 10

[1]

Markscheme

C

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