DP Biology (first assessment 2025)

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Question 21M.1A.HL.TZ2.23

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Date May 2021 Marks available [Maximum mark: 1] Reference code 21M.1A.HL.TZ2.23
Level HL Paper 1A Time zone TZ2
Command term Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
21M.1A.HL.TZ2.23

What information can be deduced from the sequence of nodes in a cladogram?

A. The geological period in which the species in the clade diverged from their common ancestor

B. The probable sequence of divergence among the species in the clade

C. The number of characteristics the species have in common

D. The number of mutations that have occurred since the species shared a common ancestor

[1]

Markscheme

B

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