Question 1

All of the following are useful indicators of evolutionary relationships EXCEPT

Accepted Answer

A)   base sequences in DNA.
B)   amino acid sequences in a protein.
C)   similar ecological requirements.
D)   similar embryonic development.
E)   similar polypeptides.F) A) and B)
G) B) and D)

Question 2

Complete reproductive isolation is evidence that what has occurred?

Accepted Answer

A)   extinction
B)   speciation
C)   polyploidy
D)   hybridization
E)   gene flowF) B) and D)
G) B) and C)

Question 3

One part of Darwin's theory is that individuals with certain traits have an increased competitive edge. The source of these traits in individuals is due to

Accepted Answer

A)   adaptation to the stress.
B)   development over a lifetime.
C)   inheritance from birth.
D)   mutation after birth.
E)   all of these.F) A) and B)
G) D) and E)

Question 4

Introduction of previously nonexistent genes into a population may be accomplished by

Accepted Answer

A)   nonrandom mating.
B)   mutation.
C)   sexual recombination.
D)   the founder effect.
E)   birth.F) B) and E)
G) D) and E)

Question 5

Which of the following would NOT be included in the reaction chamber of an experiment intended to duplicate the atmosphere of ancient earth?

Accepted Answer

A)   carbon dioxide
B)   hydrogen gas
C)   carbon monoxide
D)   water vapor
E)   nitrogen gasF) C) and D)
G) D) and E)

Question 6

The term reproductive isolation mechanism refers to

Accepted Answer

A)   specific areas where males compete or display for females.
B)   the process by which sexual selection evolves within a population.
C)   a blockage of gene flow between populations.
D)   the inability of a species to continue reproduction.
E)   legal limits to procreation.F) C) and E)
G) C) and D)

Question 7

The small bone attached to the pelvic girdle is represented by the letter ____.

Accepted Answer

The answer of  
 The small bone attached to...

Question 8

Organic compounds break down spontaneously in the presence of ____; hence, life probably never would have emerged if the ancient atmosphere had been the same as the present one.

Accepted Answer

A)   carbon dioxide
B)   hydrogen
C)   oxygen
D)   nitrogen
E)   silicaF) C) and D)
G) A) and C)

Question 9

The coccyx bone is represented by the letter ____.

Accepted Answer

The answer of  
 The coccyx bone is represented...

Question 10

Changes in dentition of early primates accompanied

Accepted Answer

A)   migration.
B)   climatic change.
C)   a change in diet.
D)   plate tectonics.
E)   changes in the mineral content of water.F) A) and E)
G) B) and D)

Question 11

Which of the following organisms would you most likely expect to find preserved as a fossil?

Accepted Answer

A)   a jellyfish
B)   a shelled arthropod such as a trilobite
C)   an earthworm
D)   a nematode
E)   a protozoanF) A) and E)
G) A) and D)

Question 12

The wrapping around an object movement that is performed by the hand is called

Accepted Answer

A)   prehensile.
B)   opposable.
C)   coordinated.
D)   circumduction.
E)   tubing.F) C) and D)
G) B) and C)

Question 13

Which of the following is a grouping of related genera?

Accepted Answer

A)   family
B)   phylum
C)   species
D)   class
E)   orderF) A) and B)
G) B) and E)

Question 14

Stone tools were first used by

Accepted Answer

A)   Homo erectus .
B)   Homo habilis .
C)   Australopithecus afarensis .
D)   Homo floreiensis .
E)   Neanderthals.F) A) and E)
G) B) and E)

Question 15

Charles Darwin
A) lived in New England..
B) studied to become a doctor.
C) followed his avocation as a sailor.
D) is identified with the concept of natural selection.
E) sailed on the H.M.S. Bassett.

Accepted Answer

The answer of Charles Darwin
A) lived in New England..
B) studied...

Question 16

The belief that Homo erectus evolved along different paths in different regions based on local selection pressures is which model of evolution?

Accepted Answer

A)   classic
B)   retroactive
C)   multiregional
D)   migratory
E)   African emergenceF) A) and D)
G) B) and E)

Question 17

Threadlike and bloblike structures containing DNA and other organic molecules enclosed in a membrane are

Accepted Answer

A)   protocells.
B)   nanobots.
C)   nanobes.
D)   chimera.
E)   blebs.F) B) and D)
G) A) and D)

Question 18

Modern humans evolved approximately ____ years ago.

Accepted Answer

A)   65 million
B)   20 million
C)   1 million
D)   500,000
E)   100,000F) A) and C)
G) C) and D)

Question 19

New alleles arise by

Accepted Answer

A)   mutation.
B)   migration.
C)   genetic drift.
D)   random mating.
E)   independent assortment.F) C) and D)
G) A) and C)

Question 20

The vertebral column is represented by the letter ____.

Accepted Answer

The answer of  
 The vertebral column is represented...

Exam 23: Principles of Evolution

Threadlike and bloblike structures containing DNA and other organic molecules enclosed in a membrane are

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Modern humans evolved approximately ____ years ago.

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The term reproductive isolation mechanism refers to

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The belief that Homo erectus evolved along different paths in different regions based on local selection pressures is which model of evolution?

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Which of the following would NOT be included in the reaction chamber of an experiment intended to duplicate the atmosphere of ancient earth?

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New alleles arise by

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Organic compounds break down spontaneously in the presence of ____; hence, life probably never would have emerged if the ancient atmosphere had been the same as the present one.

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The vertebral column is represented by the letter ____.

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The wrapping around an object movement that is performed by the hand is called

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The coccyx bone is represented by the letter ____.

Correct AnswerverifiedShow Answer

Charles Darwin A) lived in New England.. B) studied to become a doctor. C) followed his avocation as a sailor. D) is identified with the concept of natural selection. E) sailed on the H.M.S. Bassett.

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Introduction of previously nonexistent genes into a population may be accomplished by

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Complete reproductive isolation is evidence that what has occurred?

Correct AnswerverifiedShow Answer

All of the following are useful indicators of evolutionary relationships EXCEPT

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Stone tools were first used by

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Which of the following is a grouping of related genera?

Correct AnswerverifiedShow Answer

The small bone attached to the pelvic girdle is represented by the letter ____.

Correct AnswerverifiedShow Answer

Changes in dentition of early primates accompanied

Correct AnswerverifiedShow Answer

One part of Darwin's theory is that individuals with certain traits have an increased competitive edge. The source of these traits in individuals is due to

Correct AnswerverifiedShow Answer

Which of the following organisms would you most likely expect to find preserved as a fossil?

Correct AnswerverifiedShow Answer

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