DP Biology (first assessment 2025)

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Question 19N.1A.SL.TZ0.21

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.21
Level SL Paper 1A Time zone TZ0
Command term Deduce Question number 21 Adapted from N/A
21.
[Maximum mark: 1]
19N.1A.SL.TZ0.21

Which pentadactyl limb is adapted for flight?

[Source: adapted from Volkov Vladislav Petrovich, https://en.wikipedia.org/wiki/Homology_(biology)#/media/File:Homology_
vertebrates-en.svg and Zebra.element, https://en.wikipedia.org/wiki/File:Bat_mouse_forelimbs.png]

[1]

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D

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