Question 1

Mary Leakey found 2 to 3 sets of hominid footprints at Laetoli.

Accepted Answer

A) True 
 B)False  True

Question 2

The term "facultative bipedalism" refers to a transitional period when early hominids used trees as often as the ground.

Accepted Answer

A) True 
 B)False  True

Question 3

What happened to the spine when some quadruped group evolved to bipeds?

Accepted Answer

A)   it got shorter
B)   it got longer
C)   it evolved two curves
D)   two more vertebrae evolved in the neck area C

Question 4

Early hominids still showed large canines and diastema like hominoids.

Accepted Answer

A) True 
 B)False

Question 5

The first Australopithecus africanus fossil was contentious as a hominid partly because it was a young child.

Accepted Answer

A) True 
 B)False

Question 6

Discuss Coppen's evidence for his hypothesis "the East Side Story" of hominid bipedalism.

Accepted Answer

The answer of Discuss Coppen's evidence for his hypothesis "the...

Question 7

Only Africa has given up any australopithecine fossils.

Accepted Answer

A) True 
 B)False

Question 8

Of the following, which best describes a hominid's foot? It is a

Accepted Answer

A)   grasping organ
B)   walking platform
C)   flexible hand
D)   long toed hand

Question 9

Experts predict more species of hominids were in existence during later than during earlier days.

Accepted Answer

A) True 
 B)False

Question 10

There may have been as many as 20 or as few as 5 hominid species in existence during the last 6 myr.

Accepted Answer

A) True 
 B)False

Question 11

What new form of thermoregulation had to evolve before bipedal hominids could be successful?

Accepted Answer

A)   warm bloodedness
B)   sweating
C)   vasioconstriction
D)   more blood to head

Question 12

Lumpers tend to prefer the phenetic model of hominid evolution and splitters prefer the cladistic model.

Accepted Answer

A) True 
 B)False

Question 13

Humans have two more bones than any modern ape species.

Accepted Answer

A) True 
 B)False

Question 14

Start with the skull and go to the toes, describing the major changes that took place between quadrupedalism to bipedalism in hominid anatomy.

Accepted Answer

The answer of Start with the skull and go to...

Question 15

The last ancestral group to the genus Homo is likely to have been

Accepted Answer

A)   A. africanus
B)   A. habilis
C)   Kenyapithecs
D)   A. garhi

Question 16

Discuss several reasons why the first Australopithecus africanus (Taung) was not fully accepted by scientists as being in our lineage.

Accepted Answer

The answer of Discuss several reasons why the first Australopithecus...

Question 17

The large muscles that connect the lower jaw to the crest at the top of the skull in all robust australopithecines is likely connected to their diet.

Accepted Answer

A) True 
 B)False

Question 18

The first A. africanus from Taung (South Africa) was found in 1924 and given only cautious endorsement as a hominid for all of the following reasons EXCEPT

Accepted Answer

A)   all early hominids were found in Asia, not Africa
B)   it showed no definite signs of being bipedal
C)   Piltdown with its large cranial capacity was still regarded as the ideal type
D)   there was still general skepticism about evolution in general

Question 19

Discuss two of the early hypotheses concerning the origin of bipedalism along with a critique of why they are not likely the cause (but may be an effect) of bipedalism.

Accepted Answer

The answer of Discuss two of the early hypotheses concerning...

Question 20

Yves Coppens "East Side Story" concerning hominid bipedalism includes all of the following points EXCEPT

Accepted Answer

A)   hominids and chimpanzees evolved on the east side, leaving gorillas on the west
B)   plate tectonics resulted in the Rift Valley about 8 myr ago
C)   two distinct ecological regions, humid and forested versus dry and open areas, were present
D)   the LCA roamed freely on both sides of the Rift Valley

Exam 6: Early Hominids in Africa: Australopithecus and Homo Habilis

Mary Leakey found 2 to 3 sets of hominid footprints at Laetoli.

The term "facultative bipedalism" refers to a transitional period when early hominids used trees as often as the ground.

What happened to the spine when some quadruped group evolved to bipeds?

Early hominids still showed large canines and diastema like hominoids.

The first Australopithecus africanus fossil was contentious as a hominid partly because it was a young child.

Discuss Coppen's evidence for his hypothesis "the East Side Story" of hominid bipedalism.

Only Africa has given up any australopithecine fossils.

Of the following, which best describes a hominid's foot? It is a

Experts predict more species of hominids were in existence during later than during earlier days.

There may have been as many as 20 or as few as 5 hominid species in existence during the last 6 myr.

What new form of thermoregulation had to evolve before bipedal hominids could be successful?

Lumpers tend to prefer the phenetic model of hominid evolution and splitters prefer the cladistic model.

Humans have two more bones than any modern ape species.

Start with the skull and go to the toes, describing the major changes that took place between quadrupedalism to bipedalism in hominid anatomy.

The last ancestral group to the genus Homo is likely to have been

Discuss several reasons why the first Australopithecus africanus (Taung) was not fully accepted by scientists as being in our lineage.

The large muscles that connect the lower jaw to the crest at the top of the skull in all robust australopithecines is likely connected to their diet.

The first A. africanus from Taung (South Africa) was found in 1924 and given only cautious endorsement as a hominid for all of the following reasons EXCEPT

Discuss two of the early hypotheses concerning the origin of bipedalism along with a critique of why they are not likely the cause (but may be an effect) of bipedalism.

Yves Coppens "East Side Story" concerning hominid bipedalism includes all of the following points EXCEPT