IB
IBO
Biology
May 2024
QP-202405-Biology-P1(TZ2)-HL · Question 17
Question (excerpt):
17. Modified hairs (quills) cover the bodies of hedgehogs (Erinaceus europaeus) and short-beaked echidnas (Tachyglossus aculeatus). However, these structures do not have the same evolutionary origin. …
17. Modified hairs (quills) cover the bodies of hedgehogs (Erinaceus europaeus) and short-beaked echidnas (Tachyglossus aculeatus). However, these structures do not have the same evolutionary origin. …
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