Early hominins Flashcards

(15 cards)

1
Q

Australopithecus anamensis

A

East Africa
4.2- 3.8 Mya
Skeletal features - Cranium is ape like, receding chin, cranial capacity 363-370 cc.
Locomotion - tibia indicates bipedalism
Diet - leaves and fruits
No tool use

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2
Q

Australopithecus afarensis

A

East Africa
3.6 - 2.5 Mya
Skeletal - Prognathism, flared cheeks, small canine and thick enamel molars, no sagittal crest, not sexual dimorphism
Cranial capacity - 390-515 cc
Mixed bipedal and arboreal
Hard plant foods
Possible tools

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3
Q

Australopithecus Africanus

A

South Africa
3.2 - 2 mya
Same as Afarensis
Cranial - 440 cc

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4
Q

Kenyanthropus Platyops

A

East Africa
3.3-3.2 Mya
450 cc
Plant foods
bipedal
no tools

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5
Q

Paranthropus robustus

A

South Africa
1.8-1.2 Mya
Skeletal - Wide disk shaped face, flared cheeks, big molars, sagittal crest pronounced, sexually dimorphic
Cranial - 450-475 cc
Bipedal
Fibrous foods
Bone tools

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6
Q

Paranthropus Boisei

A

East Africa
2.5-1.15 mya
Skeletal - robust of parathropus genus
Dimorphic
Cranial 450-550 cc
Bipedal
Grasses and tubers diet
Stone tools maybe

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7
Q

Homo Rudolfensis

A

East Africa
1.9 Mya
Skeletal - long flat face, large molar, jaw not as robust, no sagittal crest, sexual dimorphic
Cranial - 750 cc
Meat diet

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8
Q

Homo habilis

A

East AFRICA
Skeletal - small face, smaller molar, long arms
500-900cc
bipedal
Meat and fruit
stone

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9
Q

Homo ergaster

A

East Africa
1.9-1.5 Mya
Skeletal - modern, tall and slender
Cranial - 860
Bipedal
Diet of meat and plant tubbers
Stone tools
First to expand beyond Africa
Very tall for walking and running
broad pelvis
Hunter - gathers

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10
Q

Homo Heidelbergensis

A

500,000-200,000 ya
Germany discovered
Big brain and body
Good hunter

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11
Q

Homo floresiensis

A

95000-12000 ya
400cc
3.5 feet, hobbit
Small brain and body
Dwarism
Distinct species

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12
Q

Homo Neanderthals

A

130,000- 28000 years ago
closely related
Neander valley - Germany
subspecies of separate
1600m^3 cc
Better vision
large nose
large eyes
reduced chin
robust build
shorter limbs
wide rib cage
large joints
boarder hips
meat and fruit diet
language
hydroid for talking
stone tools and arty

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13
Q

Why did Neanderthals go extinct

A

Theories are :
-Violence
-Disease
-Interbreeding with homo sapiens
-Replacement
-Climate change - too cold

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14
Q

Homo sapiens

A

195000-present
Fossils everywhere
1350 cc mean
Rounder head
Vertical forehead
Small brows and less receding face
Lived in caves and rock shelter and had large culture

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15
Q

Biggest debate of hominin evo

A

Replacement of species vs assimilation

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