Hominins, Traits, bipedalism (7)

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Last updated 5:24 AM on 4/21/26
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6 Terms

1
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What defines a hominin?

Humans + ancestors after split from chimp lineage.

2
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Key hominin traits?

Bipedalism, smaller teeth, large brains, culture & language.

3
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What is mosaic evolution?

Traits evolve at different times.

4
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Key skeletal changes for bipedalism?

S-shaped spine, bowl-shaped pelvis, angled femur, arched feet, foramen magnum under skull.

5
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Advantages of bipedalism?

Free hands, better visibility, efficient travel.

6
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Disadvantages of bipedalism?

Injury risk, back pain, predator exposure.