Question 1

Which of the following is not a characteristic of the Neandertals?

Accepted Answer

A)   They had massive brow ridges.
B)   They are considered H. sapiens.
C)   The pubic bone was long compared to ours.
D)   The brain size was larger than ours.
E)   They were heavily muscled.F) A) and B)
G) B) and C)

Question 2

In the out-of-Africa hypothesis, there was interbreeding between the ancestors of modern humans on three continents.

Accepted Answer

A) True 
 B)False

Question 3

What happens in chimps and humans when the snout is shortened considerably?

Accepted Answer

A)   The sense of smell is dramatically reduced.
B)   The eyes move to the front and allow for stereoscopic vision.
C)   This allows for the development of a chin.
D)   Canine teeth are lost.
E)   Vocalization becomes possible.F) A) and B)
G) A) and D) B

Question 4

According to evolutionary theory humans are descended from extant apes.

Accepted Answer

A) True 
 B)False

Question 5

Researchers use mitochondrial DNA sequences to study recent evolutionary events because changes occur in mitochondrial DNA more frequently than in nuclear DNA.

Accepted Answer

A) True 
 B)False

Question 6

Biological evolution is the process whereby

Accepted Answer

A)   humans descended from apes.
B)   species change through time.
C)   living cells arose from nonliving chemicals.
D)   prokaryotic cells became eukaryotic cells.
E)   only the strongest survive.F) C) and D)
G) A) and D)

Question 7

The flipper of a whale and the wing of a bird are homologous structures.

Accepted Answer

A) True 
 B)False

Question 8

What evidence contributed to the formulation of the RNA-first hypothesis?

Accepted Answer

A)   RNA was formed in MIller's experiment.
B)   RNA continues to evolve chemically today.
C)   More primitive cells, such as archaea, use an RNA only information system.
D)   RNA can sometimes be both a substrate and an enzyme during RNA processing.
E)   Protocells contain only RNA and lipids.F) B) and D)
G) All of the above

Question 9

There are two important aspects to biological evolution: descent from a common ancestor and the fossil record.

Accepted Answer

A) True 
 B)False

Question 10

Jean-Baptiste Lamarck's process of acquired characteristics would support the idea that if you run marathons and develop very strong leg muscles, your children would be born with very strong leg muscles.

Accepted Answer

A) True 
 B)False

Question 11

Miller's experiment showed that life could arise via chemical evolution.

Accepted Answer

A) True 
 B)False

Question 12

According to the out-of-Africa hypothesis, when did Homo sapiens migrate to Europe and Asia?

Accepted Answer

A)   1000 years before present
B)   10,000 years before present
C)   100,000 years before present
D)   1 million years before present
E)   5 million years before presentF) B) and E)
G) C) and D)

Question 13

We do not have any fossils of unicellular prokaryotes. The first organisms to appear in the fossil record are unicellular eukaryotes.

Accepted Answer

A) True 
 B)False

Question 14

What of the following is necessary for the replication process to occur in a cell?

Accepted Answer

A)   enzymatic proteins
B)   carbohydrates
C)   lipids
D)   starches
E)   virusesF) B) and C)
G) B) and E) A

Question 15

Which of the following is not an example of a vestigial structure?

Accepted Answer

A)   pelvic girdle and legs in whales
B)   wings for flight in most birds
C)   tailbone in humans
D)   pelvic girdle in snakes
E)   none are examples of vestigial structuresF) A) and E)
G) A) and D) B

Question 16

Which of the following is not an important anatomical feature for determining if a fossil is a hominin?

Accepted Answer

A)   absence of sharp canines
B)   bipedal posture
C)   flat face
D)   brain size
E)   absence of a chinF) B) and E)
G) A) and B)

Question 17

Both the RNA-first and the protein-first hypotheses must propose a manner for DNA to become the genetic material as it is today.

Accepted Answer

A) True 
 B)False

Question 18

Which anatomical feature is found in humans that is absent in chimpanzees?

Accepted Answer

A)   arched foot
B)   pelvis is long and narrow
C)   femurs angle out at the knees
D)   there is a slight curve in the spine
E)   the knee supports very little weightF) A) and B)
G) A) and C)

Question 19

On what basis was life divided into three domains?

Accepted Answer

A)   rRNA sequence data
B)   cytochrome c sequence data
C)   mitochondrial DNA sequence data
D)   the presence or absence of a nucleus and organelles
E)   presence or absence of mammary glandsF) A) and C)
G) All of the above

Question 20

Which of the following is not a species within the genus Homo?

Accepted Answer

A)   Homo erectus
B)   Homo habilis
C)   Homo ramidus
D)   Homo sapiens
E)   Homo floresiensisF) A) and D)
G) All of the above

Exam 23: Hummen Evolution

Which of the following is not a characteristic of the Neandertals?

Correct AnswerverifiedShow Answer

In the out-of-Africa hypothesis, there was interbreeding between the ancestors of modern humans on three continents.

Correct AnswerverifiedShow Answer

What happens in chimps and humans when the snout is shortened considerably?

Correct AnswerverifiedB

According to evolutionary theory humans are descended from extant apes.

Correct AnswerverifiedShow Answer

Researchers use mitochondrial DNA sequences to study recent evolutionary events because changes occur in mitochondrial DNA more frequently than in nuclear DNA.

Correct AnswerverifiedShow Answer

Biological evolution is the process whereby

Correct AnswerverifiedShow Answer

The flipper of a whale and the wing of a bird are homologous structures.

Correct AnswerverifiedShow Answer

What evidence contributed to the formulation of the RNA-first hypothesis?

Correct AnswerverifiedShow Answer

There are two important aspects to biological evolution: descent from a common ancestor and the fossil record.

Correct AnswerverifiedShow Answer

Jean-Baptiste Lamarck's process of acquired characteristics would support the idea that if you run marathons and develop very strong leg muscles, your children would be born with very strong leg muscles.

Correct AnswerverifiedShow Answer

Miller's experiment showed that life could arise via chemical evolution.

Correct AnswerverifiedShow Answer

According to the out-of-Africa hypothesis, when did Homo sapiens migrate to Europe and Asia?

Correct AnswerverifiedShow Answer

We do not have any fossils of unicellular prokaryotes. The first organisms to appear in the fossil record are unicellular eukaryotes.

Correct AnswerverifiedShow Answer

What of the following is necessary for the replication process to occur in a cell?

Correct AnswerverifiedA

Which of the following is not an example of a vestigial structure?

Correct AnswerverifiedB

Which of the following is not an important anatomical feature for determining if a fossil is a hominin?

Correct AnswerverifiedShow Answer

Both the RNA-first and the protein-first hypotheses must propose a manner for DNA to become the genetic material as it is today.

Correct AnswerverifiedShow Answer

Which anatomical feature is found in humans that is absent in chimpanzees?

Correct AnswerverifiedShow Answer

On what basis was life divided into three domains?

Correct AnswerverifiedShow Answer

Which of the following is not a species within the genus Homo?

Correct AnswerverifiedShow Answer

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B

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