DP Biology (first assessment 2025)

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Question 21N.1A.HL.TZ0.23

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Date November 2021 Marks available [Maximum mark: 1] Reference code 21N.1A.HL.TZ0.23
Level HL Paper 1A Time zone TZ0
Command term Question number 23 Adapted from N/A
23.
[Maximum mark: 1]
21N.1A.HL.TZ0.23

The cladogram shows one theory of how species of hominin evolved.

What can be deduced using the information in the cladogram?

A. The closest species to K. platyops is A. africanus.

B. A. afarensis is extinct.

C. The DNA of H. sapiens is the same as that of H. ergaster.

D. H. sapiens and P. robustus shared a common ancestor.

[1]

Markscheme

D

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