Question 1

Orrorin tugenensis dates to approximately __________ and was discovered in __________.

Accepted Answer

A)   5 mya, Tanzania
B)   6 mya, Kenya
C)   4.6 mya; South Africa
D)   6.8 mya, Ethiopia

Question 2

What are the physical characteristics of robust australopithecines? What do these characteristics reveal about the ecology of robust australopithecines? Be sure to include information on diet and tool use.

Accepted Answer

The physical characteristics of robust a...

Question 3

Australopithecus robustus represents robust australopithecines in __________.

Accepted Answer

A)   Ethiopia
B)   east Africa
C)   southern Africa
D)   Kenya

Question 4

Which of the following is NOT true of the genus Australopithecus?

Accepted Answer

A)   the genus represents an adaptive radiation that covers southern, central and western Africa
B)   there are questions about whether the genus should be included in the hominin group
C)   the genus lived from around 4.2 milliom to 1 million years ago
D)   the first specimen of the genus was found by Raymond Dart in the 1920s

Question 5

Compare and contrast the dentition of hominoids and humans. In what ways does the dentition of early hominins show the transition between the two?

Accepted Answer

Hominoids, which include apes and humans...

Question 6

The oldest known stone tools come from Bouri and Gona, Ethiopia and date to about __________.

Accepted Answer

A)   3 million years ago
B)   2.5 million years ago
C)   2 million years ago
D)   1.7 million years ago

Question 7

Which of the following is NOT a feature of a hominin classification system?

Accepted Answer

A)   it is based on genetic rather than morphological data
B)   it shows modern humans and chimpanzees to be more closely related to each other than either are to gorillas
C)   it has become less popular over the last two decades
D)   it separates gorillas and orangutans into separate families

Question 8

Discuss tool use among early hominins. What types of tools may have been used? When do stone tools appear and what might this mean? How might tool use have impacted hominin intelligence?

Accepted Answer

Tool use among early hominins is a signi...

Question 9

Give two possible hominin phylogenies. Discuss the candidates for ancestor of the genus Homo. Which australopithecine species currently seems to be the best candidate?

Accepted Answer

One possible hominin phylogeny is the fo...

Question 10

With respect to cranial capacity and dentition Australopithecus afarensis may be considered __________.

Accepted Answer

A)   far more apelike than human
B)   intermediate between living apes and modern humans
C)   more human than apelike
D)   completely distinct from both living apes and modern humans

Question 11

The wear patterns on animal bones associated with A. robustus suggest they were used __________.

Accepted Answer

A)   as clubs for defense
B)   as digging sticks for termites
C)   as hammers for cracking nuts
D)   as pestles for grinding grass seeds

Question 12

Martin Pickford and Brigitte Senut have claimed Orrorin tugensis to be a biped based __________.

Accepted Answer

A)   on a nearly complete pelvis
B)   tarsal and metatarsal fragments
C)   femoral fragments
D)   cranial fragments

Question 13

The hominin that is the direct ancestor of the genus Homo is __________.

Accepted Answer

A)   Au. africanus
B)   Au. boisei
C)   Au. garhi
D)   not certain

Question 14

The early hominin that has so far been best represented by fossil discoveries is __________.

Accepted Answer

A)   Australopithecus garhi
B)   Australopithecus afarensis
C)   Ardipithecus kadabba
D)   Australopithecus boisei

Question 15

The tooth enamel of apes is __________ compared to that of hominins.

Accepted Answer

A)   thinner
B)   thicker
C)   chemically distinct
D)   ridged

Question 16

Although accomplished as a biped, certain feature such as curved phalanges in the toes and fingers suggest that Australopithecus afarensis __________.

Accepted Answer

A)   may have been partially arboreal
B)   could have had difficulty walking
C)   were also accomplished brachiators
D)   could swim quite well

Question 17

The __________ is a space in the tooth row that allows the canine of the lower jaw to slide past the third premolar in apes and early hominins.

Accepted Answer

A)   maxilla
B)   mandible
C)   diastema
D)   double cusp

Question 18

Australopithecus anamensis is more ape-like than other australopithecines because of __________.

Accepted Answer

A)   its smaller size
B)   its longer arms and numerous adaptations for brachiation
C)   its ape-like dentition
D)   its transitional bipedal adaptations

Question 19

Most hominin fossil finds have come from the Afar Triangle in east Africa or southern Africa. What conditions led to the preservation of so many fossils in these two areas? How have these conditions led to differences in dating techniques and information known about the hominins represented by these fossils?

Accepted Answer

The preservation of so many hominin foss...

Question 20

The only two species of early hominin known from western Africa are __________.

Accepted Answer

A)   Australopithecus afarensis and Ardipithecus ramidus
B)   Orrorin tugenensis and Sahelanthropus tchadensis
C)   Sahelanthropus tchadensis and Austrolapithecus bahrelghazali
D)   Australopithecus africanus and Ardipithecus ramidus

Exam 11: Early Hominins

Compare and contrast the dentition of hominoids and humans. In what ways does the dentition of early hominins show the transition between the two?

Correct Answer
Answered by ExamLex AI
Hominoids, which include apes and humans...
View Answer

The oldest known stone tools come from Bouri and Gona, Ethiopia and date to about __________.

Correct Answer
verified

What are the physical characteristics of robust australopithecines? What do these characteristics reveal about the ecology of robust australopithecines? Be sure to include information on diet and tool use.

Correct Answer
Answered by ExamLex AI
The physical characteristics of robust a...
View Answer

The tooth enamel of apes is __________ compared to that of hominins.

Correct Answer
verified

The hominin that is the direct ancestor of the genus Homo is __________.

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The preservation of so many hominin foss...
View Answer

With respect to cranial capacity and dentition Australopithecus afarensis may be considered __________.

Correct Answer
verified

Although accomplished as a biped, certain feature such as curved phalanges in the toes and fingers suggest that Australopithecus afarensis __________.

Correct Answer
verified

Which of the following is NOT a feature of a hominin classification system?

Correct Answer
verified

The wear patterns on animal bones associated with A. robustus suggest they were used __________.

Correct Answer
verified

Australopithecus robustus represents robust australopithecines in __________.

Correct Answer
verified

Orrorin tugenensis dates to approximately and was discovered in .

Correct Answer
verified

Which of the following is NOT true of the genus Australopithecus?

Correct Answer
verified

Give two possible hominin phylogenies. Discuss the candidates for ancestor of the genus Homo. Which australopithecine species currently seems to be the best candidate?

Correct Answer
Answered by ExamLex AI
One possible hominin phylogeny is the fo...
View Answer

The early hominin that has so far been best represented by fossil discoveries is __________.

Correct Answer
verified

The __________ is a space in the tooth row that allows the canine of the lower jaw to slide past the third premolar in apes and early hominins.

Correct Answer
verified

The only two species of early hominin known from western Africa are __________.

Correct Answer
verified

Martin Pickford and Brigitte Senut have claimed Orrorin tugensis to be a biped based __________.

Correct Answer
verified

Discuss tool use among early hominins. What types of tools may have been used? When do stone tools appear and what might this mean? How might tool use have impacted hominin intelligence?

Correct Answer
Answered by ExamLex AI
Tool use among early hominins is a signi...
View Answer

Australopithecus anamensis is more ape-like than other australopithecines because of __________.

Correct Answer
verified

Exam 11: Early Hominins

Compare and contrast the dentition of hominoids and humans. In what ways does the dentition of early hominins show the transition between the two?

Correct AnswerAnswered by ExamLex AIHominoids, which include apes and humans...View AnswerShow Answer

The oldest known stone tools come from Bouri and Gona, Ethiopia and date to about __________.

Correct AnswerverifiedShow Answer

What are the physical characteristics of robust australopithecines? What do these characteristics reveal about the ecology of robust australopithecines? Be sure to include information on diet and tool use.

Correct AnswerAnswered by ExamLex AIThe physical characteristics of robust a...View AnswerShow Answer

The tooth enamel of apes is __________ compared to that of hominins.

Correct AnswerverifiedShow Answer

The hominin that is the direct ancestor of the genus Homo is __________.

Correct AnswerverifiedShow Answer

Correct AnswerAnswered by ExamLex AIThe preservation of so many hominin foss...View AnswerShow Answer

With respect to cranial capacity and dentition Australopithecus afarensis may be considered __________.

Correct AnswerverifiedShow Answer

Although accomplished as a biped, certain feature such as curved phalanges in the toes and fingers suggest that Australopithecus afarensis __________.

Correct AnswerverifiedShow Answer

Which of the following is NOT a feature of a hominin classification system?

Correct AnswerverifiedShow Answer

The wear patterns on animal bones associated with A. robustus suggest they were used __________.

Correct AnswerverifiedShow Answer

Australopithecus robustus represents robust australopithecines in __________.

Correct AnswerverifiedShow Answer

Orrorin tugenensis dates to approximately __________ and was discovered in __________.

Correct AnswerverifiedShow Answer

Which of the following is NOT true of the genus Australopithecus?

Correct AnswerverifiedShow Answer

Give two possible hominin phylogenies. Discuss the candidates for ancestor of the genus Homo. Which australopithecine species currently seems to be the best candidate?

Correct AnswerAnswered by ExamLex AIOne possible hominin phylogeny is the fo...View AnswerShow Answer

The early hominin that has so far been best represented by fossil discoveries is __________.

Correct AnswerverifiedShow Answer

The __________ is a space in the tooth row that allows the canine of the lower jaw to slide past the third premolar in apes and early hominins.

Correct AnswerverifiedShow Answer

The only two species of early hominin known from western Africa are __________.

Correct AnswerverifiedShow Answer

Martin Pickford and Brigitte Senut have claimed Orrorin tugensis to be a biped based __________.

Correct AnswerverifiedShow Answer

Discuss tool use among early hominins. What types of tools may have been used? When do stone tools appear and what might this mean? How might tool use have impacted hominin intelligence?

Correct AnswerAnswered by ExamLex AITool use among early hominins is a signi...View AnswerShow Answer

Australopithecus anamensis is more ape-like than other australopithecines because of __________.

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
Hominoids, which include apes and humans...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The physical characteristics of robust a...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The preservation of so many hominin foss...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Orrorin tugenensis dates to approximately and was discovered in .

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
One possible hominin phylogeny is the fo...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Tool use among early hominins is a signi...
View Answer

Correct Answer
verified