Final Flashcards

(58 cards)

1
Q

Which hominin taxon was the first to migrate out of the African continent

A

Homo erectus

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2
Q

Which of the following features are exclusively found in Homo Sapiens

A

A prominent chin

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3
Q

As of today humans are the only primate species alive with

A

Non opposable big toe

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4
Q

Members of the species Homo sapiens evolved at around…. In…..

A

315,000 years ago; Africa

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5
Q

Neanderthal fossils have been found in all these places except

A

Africa

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6
Q

Homo Neanderthalensis had some unique features nothing in earlier hominins including

A

A large brain size ( up to 1700cc) and a retro molar space

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7
Q

Homo habilis

A

The oldowan

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8
Q

Australopithecus afarensis

A

Eruption of permanent lower first molar by age 3

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9
Q

End of the Miocene characterized by

A

Decreased hominoid diversity; increased cercopithecoid diversity

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10
Q

Primate group that evolved during the Eocene, displayed features that included short snouts, teeth with pointy cusps, elongated heel bones, and larger orbits indicating a nocturnal pattern of behavior that were ancestral to the living Haplorhines

A

Omomyoids

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11
Q

Adapoids were

A

Strepsirhine ancestors

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12
Q

Fossils attributed to the species Australopithecus africanus have been recovered from

A

South Africa

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13
Q

First Oligocene primate with Y-5 molars

A

Aegyptopithecus

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14
Q

Australopithecus africanus

A

South Africa

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15
Q

Plesiadapiforms evolve

A

Paleocene

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16
Q

Paranthropus boisei

A

East Africa

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17
Q

This hominin is considered to be the first to use endurance running for hunting purposes

A

Homo erectus

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18
Q

Estimated brain size for Homo rudolfensis

A

510cc

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19
Q

All hominins have these two traits

A

Bipedalism and brain size increase

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20
Q

First hominins lived approximately

A

6-7 million years ago

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21
Q

First hominin species to reach 800cc and hence double brain size average of chimpanzees

A

Homo rudolfensis

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22
Q

The only hominin species alive today is Homo sapiens

A

true

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23
Q

All hominins have

A

Y-5 molars

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24
Q

the most famous fossil of Australopithecus afarensis is known as

25
Relative to the genus Australopithecus, Homo habilis is characterized by
Smaller face and teeth, larger brains, and more rounded skull
26
Ardipithecus kadabba
Displayed signs of canine size reduction and intermediate canine honing complex
27
Hypothesis that posits that primate features emerged as an adaptation to the shrubby forest undergrowth where proto-primates hunted insects
The visual-predation hypothesis
28
Primate group that evolved during the Eocene, displayed features that included short snouts, teeth with pointy cusps, elongated heel bones, and larger orbits indicating a nocturnal pattern of behavior that were ancestral to the living Haplorhines
Omomyoids
29
Sahelanthropus tchadensis had it centered underneath the braincase, anteriorly placed and closer to the front teeth, indicating bipedality.
Foramen magnum
30
The Oldowan
Simple core and flake technology
31
Fossils attributed to the species Australopithecus africanus have been recovered from
South Africa
32
Which Oligocene fossil primate with dental formula 2-1-2-3, Y-5 molars, and cranial features including small orbits suggesting a diurnal pattern of behavior indicating strong affinities with the catarrhines was recovered from El Fayum, Egypt?
Aegyptopithecus
33
At 6 million years ago, Orrorin tugenensis represents the earliest unquestionable hominin that used bipedality as indicated by an anteriorly placed foramen magnum and clear canine size reduction
true
34
Platyrrhine ancestors most likely originated in
North America
35
Hominin with opposable big toe
Ardipithecus ramidus
36
Neanderthal fossils never found in
Africa
37
The tibia of a bipedal hominin displays
Clear anterior-posterior elongation of the medial condyle
38
Paranthropus boisei fossils have been recovered from
East Africa
39
Paranthropus aethiopicus
East Africa
40
Victoriapithecus
First Miocene cercopithecoid with bilophodont molars
41
First hominin species with a human-like projecting nose
Australopithecus sediba
42
The position of the foramen magnum of a bipedal hominin is
anterior
43
Average cranial size, smaller to larger
Australopithecus afarensis, Pan troglodytes, Homo erectus, Homo habilis
44
The oldest member of the genus Australopithecus is
Australopithecus anamensis
45
Australopithecus anamensis
East Africa
46
This is the only australopith species that displays a parabolic dental arcade
Australopithecus afarensis
47
The three features displayed by all members of the genus Paranthropus include
Sagittal crests, megadontia, and marked postorbital constriction
48
True primates (Euprimates) evolve
Eocene
49
The average brain size of Australopithecus afarensis is very similar to contemporary modern humans
false
50
What occurred at around 2.8-2.5 million years ago
New kinds of hominins, including Paranthropus and Homo appeared
51
Plesiadapiforms evolve
Paleocene
52
By 2.0 million years ago, this hominin used bone tools to extract termites
Paranthropus boisei
53
Average brain size for Homo sapiens
1350cc
54
A hominid is
A primate of the family Hominoidae that includes the great apes, but excludes humans and all of their direct ancestors
55
oldest to youngest
Sahelanthropus tchadensis, Australopithecus anamensis, Australopithecus africanus, Homo erectus
56
The average brain size capacity for the species Pan troglodytes is
400cc
57
Estimated brain size for Homo habilis
510cc
58