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ANT 206 > Exam 4 Part 3 > Flashcards

Exam 4 Part 3 Flashcards

1
Q

What is the nose like for Australopithecus afarensis?

A

No projecting nose

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2
Q

What is the teeth like for Australopithecus afarensis?

A

Large canines with diastema; highly sexually dimorphic

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3
Q

What is the foramen magnum like for Australopithecus afarensis?

A

Located more anteriorly indicating bipedalism

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4
Q

What was the values angle like for australopithecus afarensis?

A

Valgus angle was present showing evidence for bipedalism

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5
Q

What was the pelvis structure like for Australopithecus afarensis?

A

Pelvis is wider and flares over femur more than humans

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6
Q

What was the foot like for Australopithecus afarensis?

A

non-divergent big toe, curved phalanges

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7
Q

Where was the Australopithecus afarensis footprint found?

A

Laetoli, Tanzania

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8
Q

What did the Laetoli footprints show?

A

Deep impression of heel, big toe in line, well developed longitudinal arch

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9
Q

Australopithecus afarensis have longer _____ than _____

A

Legs, arms

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10
Q

What is the intermembral index of Australopithecus afarensis?

A

85

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11
Q

What is the intermembral index of modern humans?

A

75

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12
Q

What is the average height for Australopithecus afarensis?

A

3.5-5 feet

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13
Q

What is the average weight for Australopithecus afarensis?

A

64-99 pounds

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14
Q

What is the sexual dimorphism like for Australopithecus afarensis?

A

Highly sexually dimorphic (canines)

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15
Q

Having some primitive characteristics and modern/derived characteristics through evolution

A

Mosaic evolution

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16
Q

What are some ape-like characteristics of Australopithecus afarensis?

A

Small brain, face shape

17
Q

What are some derived modern characteristics of Australopithecus afarensis?

A

Smaller teeth, bipedalism

ANT 206 (32 decks)

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