Evolution Of Homo Sapiens Flashcards

1
Q

Unique anatomical features

A

Bipedal (differently shaped pelvis with anchoring muscles)
Legs relatively longer and angled inwards (below center of gravity)
Lumbar curvature of spine
Shifted foremen magnum (forward)
Feet modified for running (no opposable toe and rigid curved arch)
Sweating from running = hairlessness
Shorter and straighter fingers with longer opposable thumb
Strong hand muscles
Small teeth
Flat, non-projecting face
Enormous brain
Altricial young with ability to sire during parental care

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2
Q

Reasons for brain size

A

Ecological (hunting necessity)

The social brain hypothesis

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3
Q

Key elements of language

A

Metaphorical abstraction

Combinatorial structuring

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