Question 1

Convergent evolution means:

Accepted Answer

A)  That organisms living in similar habitats may develop similar traits even though they are not closely related
B)  Different organisms will never have similar traits
C)  That evolution converges on a desired body form based on an external plan or design
D)  That all species will eventually have the same traits
E)  That some life forms are more evolved and therefore superior to other life formsF) C) and D)
G) A) and D)

Question 2

Evolution does answer the question as to how life originally began.

Accepted Answer

A) True 
 B)False

Question 3

According to your author the only two types of natural selection are directive selection and disruptive selection.

Accepted Answer

A) True 
 B)False

Question 4

A male peacock has enormous tail feathers that it uses in mating displays to attract females.While the tail feathers are an advantage in mating,what is the potential disadvantage of these feathers to the male?

Accepted Answer

A)  The feathers require a lot of energy to produce
B)  Bright feathers make males less susceptible to predation
C)  The feathers make the male more attractive to other males
D)  There are no disadvantages to having large tail feathers
E)  The large tail feathers would make it easier to flyF) A) and D)
G) A) and B)

Question 5

The geologist who,in 1830,renewed the idea of uniformitarianism by showing that gradual changes in some organisms could be represented in successive fossil layers was:

Accepted Answer

A)  Charles Darwin
B)  Charles Lyell
C)  James Hutton
D)  Jean Lamarck
E)  Georges BuffonF) A) and D)
G) B) and D)

Question 6

Babies that are at a low birth weight are more likely to have health problems,while women will have difficulty delivering babies with high birth weight.Together this leads to ______ for babies of average birth weight.

Accepted Answer

A)  Stabilizing selection
B)  Disruptive selection
C)  Directional selection
D)  Artificial selection
E)  Sexual selectionF) None of the above
G) A) and B)

Question 7

The bottleneck effect:

Accepted Answer

A)  Occurs when many members of a population die, resulting in a great loss of genetic diversity
B)  Occurs when many members of a population reproduce causing too much genetic diversity within the population
C)  Occurs when small groups of individuals leave their home population and establish new settlements, mating only among themselves
D)  Occurs when large groups of individuals leave their home population and establish new settlements, mating only among themselvesE) A) and C)
F) None of the above

Question 8

The relatively short term changes in allele frequencies within a species or population is:

Accepted Answer

A)  Convergent evolution
B)  Artificial selection
C)  Microevolution
D)  Natural selection
E)  The principle of superpositionF) C) and D)
G) A) and B)

Exam 11: The Forces of Evolutionary Change

Babies that are at a low birth weight are more likely to have health problems,while women will have difficulty delivering babies with high birth weight.Together this leads to ______ for babies of average birth weight.

Correct Answer
verified

The relatively short term changes in allele frequencies within a species or population is:

Correct Answer
verified

Convergent evolution means:

Correct Answer
verified

According to your author the only two types of natural selection are directive selection and disruptive selection.

Correct Answer
verified

The geologist who,in 1830,renewed the idea of uniformitarianism by showing that gradual changes in some organisms could be represented in successive fossil layers was:

Correct Answer
verified

The bottleneck effect:

Correct Answer
verified

A male peacock has enormous tail feathers that it uses in mating displays to attract females.While the tail feathers are an advantage in mating,what is the potential disadvantage of these feathers to the male?

Correct Answer
verified

Evolution does answer the question as to how life originally began.

Correct Answer
verified

Exam 11: The Forces of Evolutionary Change

Babies that are at a low birth weight are more likely to have health problems,while women will have difficulty delivering babies with high birth weight.Together this leads to ______ for babies of average birth weight.

Correct AnswerverifiedShow Answer

The relatively short term changes in allele frequencies within a species or population is:

Correct AnswerverifiedShow Answer

Convergent evolution means:

Correct AnswerverifiedShow Answer

According to your author the only two types of natural selection are directive selection and disruptive selection.

Correct AnswerverifiedShow Answer

The geologist who,in 1830,renewed the idea of uniformitarianism by showing that gradual changes in some organisms could be represented in successive fossil layers was:

Correct AnswerverifiedShow Answer

The bottleneck effect:

Correct AnswerverifiedShow Answer

A male peacock has enormous tail feathers that it uses in mating displays to attract females.While the tail feathers are an advantage in mating,what is the potential disadvantage of these feathers to the male?

Correct AnswerverifiedShow Answer

Evolution does answer the question as to how life originally began.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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