Question 1

Which of the following is NOT a cause of evolution in a population?

Accepted Answer

A)  inheritance of acquired traits
B)  mutation
C)  gene flow
D)  genetic driftE) All of the above
F) B) and C)

Question 2

Darwin observed that adaptations:

Accepted Answer

A)  resulted from supernatural forces.
B)  did not vary among Galápagos finches living in different habitats.
C)  were physical traits that enhanced survival and reproduction.
D)  were peripheral to evolutionary change.E) A) and B)
F) None of the above

Question 3

What is the significance for evolutionary theory of Darwin's analysis of the Galápagos finches? Provide at least one example in your answer.

Accepted Answer

The diversity of the various finch popul...

Question 4

In your textbook, the lower frequency of sickle-cell anemia among present-day Americans of West African ancestry as compared to people living in West Africa blacks is attributed to:

Accepted Answer

A)  genetic drift.
B)  gene flow.
C)  new mutations.
D)  none of the aboveE) A) and B)
F) A) and D)

Question 5

Cuvier, Lamarck, and Erasmus Darwin all shared an idea of evolution; however, their ideas all lacked:

Accepted Answer

A)  the longevity necessary for evolution to take place.
B)  a basic understanding of inheritance.
C)  an understanding of variation.
D)  a mechanism for evolutionary change.E) None of the above
F) C) and D)

Question 6

Fossils represent the remains of once-living:

Accepted Answer

A)  extant species that tell the story of human origins.
B)  extinct organisms that provide a record of the history of life on the planet.
C)  plants that provide proof of catastrophism.
D)  organisms that demonstrate the age of the earth through the process of uniformitarianism.E) None of the above
F) A) and D)

Question 7

According to Darwin, natural selection operates at the level of:

Accepted Answer

A)  individuals.
B)  genes.
C)  populations.
D)  species.E) B) and C)
F) B) and D)

Question 8

The geneticist who studied the workings of fruit flies' chromosomes was:

Accepted Answer

A)  Charles Darwin.
B)  Gregor Mendel.
C)  Thomas Hunt Morgan.
D)  Thomas Huxley.E) A) and B)
F) C) and D)

Question 9

Thomas Hunt Morgan:

Accepted Answer

A)  demonstrated that chromosomes carry genetic material in the form of genes.
B)  studied mutations in Homo sapiens.
C)  thought change was gradual and occurred over long time periods.
D)  proposed the theory of inheritance of acquired characteristics.E) C) and D)
F) A) and B)

Question 10

Linnaeus's taxonomic system is referred to as a "hierarchy" because:

Accepted Answer

A)  each species has a "higher level" genus and "lower level" species, and are placed within additional higher level categories.
B)  species are placed in a ranked list called the "Great Chain of Being."
C)  humans are considered the most evolved species.
D)  naming species officially requires approval of an appointed board of high-level experts.E) C) and D)
F) B) and C)

Question 11

Charles Darwin's book On the Origin of Species (1859)  was considered an important contribution to modern science because it:

Accepted Answer

A)  coined the concept of evolution.
B)  synthesized information from diverse scientific fields in order to document evolutionary change.
C)  was immediately and widely accepted by the scientific community as the mechanism for evolutionary change.
D)  proposed the use of the scientific method for the first time.E) C) and D)
F) A) and C)

Question 12

Gene flow differs from genetic drift because it is the:

Accepted Answer

A)  random change in the frequency of alleles.
B)  random change in a gene or chromosome.
C)  guiding force of evolution.
D)  spread of new genetic material from one gene pool to another.E) A) and D)
F) All of the above

Question 13

Discuss the forces of evolution and their role in evolution.

Accepted Answer

Natural selection, g...

Question 14

How was Darwin influenced by Thomas Malthus's work on population growth?

Accepted Answer

A)  Darwin was interested in Malthus's examination of population changes in pea plants.
B)  Darwin was influenced by Malthus's work on demography and population responses to food availability.
C)  Darwin liked the concept of Latin taxonomic classification as it pertained to human groups.
D)  Darwin was greatly influenced by research on acquired characteristics.E) A) and B)
F) None of the above

Question 15

Adaptive radiation occurs when:

Accepted Answer

A)  one species gives rise to multiple closely related species.
B)  several species adapt to one environment.
C)  species adapt to environments with high radiation levels.
D)  an individual adapts to varying environments.E) A) and D)
F) A) and C)

Question 16

Mendel's plant experiments demonstrated that:

Accepted Answer

A)  traits inherited from each parent blended together in the offspring.
B)  DNA was the molecule carrying the genetic code.
C)  peas were a poor choice for understanding basic hereditary principles.
D)  traits are passed on from parent to offspring as discrete units.E) B) and C)
F) A) and D)

Question 17

What are the classification levels of humans from order to species?

Accepted Answer

A)  Chordata, Mammalia, Haplorhini, Hominoidea, Homo, and sapiens
B)  Primates, Haplorhini, Anthropoidea, Catarrhini, Hominoidea, Hominidea, Homininae, Hominine, Homo, and sapiens
C)  Primates, Strepsirhini, Catarrhini, Hominoidea, Hominidea, Homo, and sapiens
D)  Mammalia, Platyrrhini, Hominioidea, Hominidae, Homo, and sapiensE) B) and C)
F) None of the above

Question 18

The scientist whose work provided the foundation for later understandings of genetics was:

Accepted Answer

A)  John Ray.
B)  Gregor Mendel.
C)  Charles Darwin.
D)  Robert Hooke.E) A) and C)
F) None of the above

Question 19

Darwin drew on information from the following five scientific disciplines:

Accepted Answer

A)  geology, physical anthropology, taxonomy and systematics, demography, and evolutionary biology.
B)  geology, paleontology, taxonomy and systematics, geography, and evolutionary biology.
C)  geology, paleontology, taxonomy and systematics, demography, and biology.
D)  geology, paleontology, taxonomy and systematics, demography, and evolutionary biology.E) A) and B)
F) B) and D)

Question 20

Uniformitarianism is the theory that:

Accepted Answer

A)  the earth is very old, based on geologic evidence from stratigraphic layers in Scotland.
B)  the natural processes operating today are the same as the natural processes that operated in the past.
C)  the uniformity of species is derived from the common ancestor of all species.
D)  processes such as earthquakes are evidence supporting catastrophism as proposed by Lamarck.E) A) and B)
F) A) and C)

Exam 2: Evolution: Constructing a Fundamental Scientific Theory

In your textbook, the lower frequency of sickle-cell anemia among present-day Americans of West African ancestry as compared to people living in West Africa blacks is attributed to:

Correct AnswerverifiedShow Answer

Which of the following is NOT a cause of evolution in a population?

Correct AnswerverifiedShow Answer

Gene flow differs from genetic drift because it is the:

Correct AnswerverifiedShow Answer

Cuvier, Lamarck, and Erasmus Darwin all shared an idea of evolution; however, their ideas all lacked:

Correct AnswerverifiedShow Answer

How was Darwin influenced by Thomas Malthus's work on population growth?

Correct AnswerverifiedShow Answer

Uniformitarianism is the theory that:

Correct AnswerverifiedShow Answer

Charles Darwin's book On the Origin of Species (1859) was considered an important contribution to modern science because it:

Correct AnswerverifiedShow Answer

The geneticist who studied the workings of fruit flies' chromosomes was:

Correct AnswerverifiedShow Answer

Fossils represent the remains of once-living:

Correct AnswerverifiedShow Answer

Darwin drew on information from the following five scientific disciplines:

Correct AnswerverifiedShow Answer

Mendel's plant experiments demonstrated that:

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Thomas Hunt Morgan:

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Linnaeus's taxonomic system is referred to as a "hierarchy" because:

Correct AnswerverifiedShow Answer

According to Darwin, natural selection operates at the level of:

Correct AnswerverifiedShow Answer

The scientist whose work provided the foundation for later understandings of genetics was:

Correct AnswerverifiedShow Answer

Discuss the forces of evolution and their role in evolution.

Correct AnswerverifiedNatural selection, g...View AnswerShow Answer

Darwin observed that adaptations:

Correct AnswerverifiedShow Answer

Adaptive radiation occurs when:

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What is the significance for evolutionary theory of Darwin's analysis of the Galápagos finches? Provide at least one example in your answer.

Correct AnswerverifiedThe diversity of the various finch popul...View AnswerShow Answer

What are the classification levels of humans from order to species?

Correct AnswerverifiedShow Answer

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Natural selection, g...
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The diversity of the various finch popul...
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