Question 1

Which piece of evidence would strongly support the RNA-first hypothesis?

Accepted Answer

A)   finding a protocell that could carry on metabolism as well as reproduce
B)   discovering a way to make RNA more stable than DNA
C)   finding a mechanism whereby proteins could assemble DNA out of free nucleotides
D)   being able to build microspheres that contain only protein and RNA
E)   finding a living organism that uses RNA as its genetic materialF) None of the above
G) B) and C)

Question 2

All vertebrate forelimbs are the same in that they are used for the same form of locomotion.

Accepted Answer

A) True 
 B)False

Question 3

Homo habilis was the first hominid to use fire.

Accepted Answer

A) True 
 B)False

Question 4

What is a characteristic that makes an organism able to survive and reproduce in its environment?

Accepted Answer

A)   culture
B)   selection
C)   analogy
D)   adaptation
E)   homologyF) A) and E)
G) A) and C)

Question 5

What is considered one of the best sources of evidence for biological evolution?

Accepted Answer

A)   fossil record
B)   biogeographical evidence
C)   anatomical evidence
D)   biochemical evidenceE) C) and D)
F) B) and D)

Question 6

What were the two different types of australopithecines?

Accepted Answer

A)   erect, knuckle-walker
B)   carnivorous, omnivorous
C)   arboreal, terrestrial
D)   gracile, robust
E)   hunting, gatheringF) B) and E)
G) All of the above

Question 7

Closer biochemical structures suggest a closer evolutionary relationship.

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) A) and D)
G) C) and D)

Question 9

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 D)
G) A) and D)

Question 10

Which primate is found within the anthropoid group with humans?

Accepted Answer

A)   monkeys
B)   lemurs
C)   tarsiers
D)   lorises
E)   elephantsF) B) and C)
G) B) and E)

Question 11

The wings of birds and insects are _____________ structures.

Accepted Answer

A)   analogous
B)   homologous
C)   vestigial
D)   molecular
E)   simpleF) A) and E)
G) B) and D)

Question 12

Which statement is true regarding how a true cell reproduces?

Accepted Answer

A)   DNA replicates before cell division occurs.
B)   Cell division occurs prior to DNA replication.
C)   DNA replication and cell division occur at the same time.
D)   There is no DNA replication during cell reproduction.
E)   There is no cell division during cell reproduction.F) B) and E)
G) B) and C)

Question 13

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 B)
G) A) and C)

Question 14

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 15

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 E)
G) A) and B)

Question 16

Which of the following is not a difference between the human skeleton and the chimpanzee skeleton?

Accepted Answer

A)   The human foot has an arch while the ape foot does not.
B)   The human's femur angles inward to the knees while the ape's femur angles out a bit.
C)   The human spine is S-shaped while the ape spine has a slight curve.
D)   The human knee can support more weight than the ape knee.
E)   The ribs attach to the vertebral column in humans but are free-floating in apes.F) A) and D)
G) A) and C)

Question 17

What is the name of the hypothesis that states that the very first living thing came from nonliving chemicals?

Accepted Answer

A)   cell theory
B)   chemical evolution
C)   Darwinian evolution
D)   speciation
E)   organic chemistryF) A) and C)
G) B) and C)

Question 18

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 19

Does the spine of both a human and chimpanzee exit the skull in the same manner?

Accepted Answer

The answer of Does the spine of both a human...

Question 20

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

Accepted Answer

A) True 
 B)False

Exam 22: Human Evolution

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

Correct AnswerverifiedShow Answer

What is the name of the hypothesis that states that the very first living thing came from nonliving chemicals?

Correct AnswerverifiedShow Answer

All vertebrate forelimbs are the same in that they are used for the same form of locomotion.

Correct AnswerverifiedShow Answer

Which of the following is not a difference between the human skeleton and the chimpanzee skeleton?

Correct AnswerverifiedShow Answer

Homo habilis was the first hominid to use fire.

Correct AnswerverifiedShow Answer

Biological evolution is the process whereby

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The wings of birds and insects are _____________ structures.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which piece of evidence would strongly support the RNA-first hypothesis?

Correct AnswerverifiedShow Answer

Which statement is true regarding how a true cell reproduces?

Correct AnswerverifiedShow Answer

Which primate is found within the anthropoid group with humans?

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

Correct AnswerverifiedShow Answer

What is a characteristic that makes an organism able to survive and reproduce in its environment?

Correct AnswerverifiedShow Answer

What is considered one of the best sources of evidence for biological evolution?

Correct AnswerverifiedShow Answer

Does the spine of both a human and chimpanzee exit the skull in the same manner?

Correct AnswerverifiedShow Answer

Closer biochemical structures suggest a closer evolutionary relationship.

Correct AnswerverifiedShow Answer

What were the two different types of australopithecines?

Correct AnswerverifiedShow Answer

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