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IB Biology HL B4.2.8 Dentition and Diet in Family Hominidae Questions

Compare Australopithecus and Homo erectus skulls by jaw projection, tooth size, brow ridges and forehead shape in IB Biology HL B4.2.8.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Compare Australopithecus and Homo erectus skulls by jaw projection, tooth size or brow ridges.

IB Biology HL B4.2.8 Dentition and Diet in Family Hominidae Questions question 1

[Maximum number: 2]

The diagram shows the range of heights and brain sizes found in four groups of hominids.

Figure for Question IB Biology HL B4.2.8 Dentition and Diet in Family Hominidae Questions question 1 — IB Biology HL

State two ways, apart from brain volume, by which the skulls of the Australopithecus and H. erectus would differ in appearance.
1.
2.

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