Question 1

Hamilton's rule presents the main difference between group selection and inclusive fitness.

Accepted Answer

A) True 
 B)False  True

Question 2

When evolution works to effect a change in a population,it is engaged in __________.

Accepted Answer

A)  stabilizing selection
B)  the inheritance of acquired characteristics
C)  gene flow
D)  directional selectionE) All of the above
F) B) and C) D

Question 3

Which of the following is an example of genetic bottleneck?

Accepted Answer

A)  a small population becomes isolated from its parent gene pool
B)  a large diverse gene pool undergoes a rapid decrease in size and then increases again
C)  a large diverse population is separated into two distinct gene pools
D)  all of theseE) A) and C)
F) A) and D)

Question 4

Which will result in a transformation of a population?

Accepted Answer

A)  directional selection
B)  stabilizing selection
C)  both of these
D)  neither of theseE) A) and C)
F) None of the above

Question 5

Which of the following best defines the concept of ancestral characters?

Accepted Answer

A)  traits shared between species due to a shared evolutionary history
B)  analogous traits shared by unrelated species
C)  traits shared due to convergent evolution
D)  features that a species possesses that distinguish them from all related speciesE) A) and B)
F) A) and D)

Question 6

Natural selection has played no role in historical human populations.

Accepted Answer

A) True 
 B)False

Question 7

The difference in size,shape,or color between the sexes within a species is referred to as __________.

Accepted Answer

A)  sexual selection
B)  genetic bottleneck
C)  reproductive variance
D)  sexual dimorphismE) A) and D)
F) A) and B)

Question 8

The most influential current alternative to the biological species concept is the ecological species concept.

Accepted Answer

A) True 
 B)False

Question 9

Explain the difference between and cladistics and phenetics.What are some problems associated with each? How might the Law of Parsimony apply?

Accepted Answer

Cladistics and phenetics are two differe...

Question 10

Gradualism asserts that __________.

Accepted Answer

A)  species sometimes undergo rapid macroevolutionary change
B)  species slowly transform into other species
C)  gaps in the fossil record cannot be explained
D)  saltation is the best interpretation of the fossil recordE) B) and C)
F) None of the above

Question 11

The Hardy-Weinberg formula can be used to __________.

Accepted Answer

A)  model gene distribution
B)  calculate approximate allele frequencies
C)  reveal the presence of an evolutionary force at work in a population
D)  all of theseE) A) and B)
F) A) and C)

Question 12

What is a difference between a cladogram and a phylogeny?

Accepted Answer

A)  only phylogenies show the evolutionary relatedness of individuals
B)  cladograms lack anatomical information
C)  cladograms don't depict the distance in time between groups
D)  there is no difference between cladograms and phylogeniesE) A) and B)
F) A) and C)

Question 13

The __________ a population,the greater the potential effect of genetic drift on gene frequencies.

Accepted Answer

A)  larger
B)  more diverse
C)  more migratory
D)  smallerE) B) and C)
F) A) and D) D

Question 14

It is thought that males often compete for access to females because females have __________.

Accepted Answer

A)  greater strength
B)  limited reproductive potential
C)  larger size
D)  more parental investmentE) A) and B)
F) A) and C)

Question 15

Geographic separation is an important factor in speciation.

Accepted Answer

A)  allopatric
B)  parapatric
C)  anagenesis
D)  sympatricE) A) and B)
F) C) and D)

Question 16

According to the Biological Species Concept,two groups of creatures are sometimes considered separate species even if they are capable of creating fertile offspring.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is a characteristic of the "ideal population" for the null hypothesis?

Accepted Answer

A)  an infinitely large population
B)  non-random mating
C)  a small,fragmented population
D)  a strong evolutionary forceE) B) and C)
F) A) and D)

Question 18

A change in the frequency of a gene in a population over time due to entirely random factors is called __________.

Accepted Answer

A)  gene flow
B)  admixture
C)  genetic drift
D)  bottleneck effectE) All of the above
F) A) and B)

Question 19

Citing the example of the HMS Bounty and EVC syndrome among the Amish,explain the mechanisms of gene flow and genetic drift,and the founder effect.

Accepted Answer

Gene flow refers to the transfer of gene...

Question 20

Organisms are composed of both ancestral and derived characters.

Accepted Answer

A) True 
 B)False

Exam 5: The Forces of Evolution and the Formation of Species

Hamilton's rule presents the main difference between group selection and inclusive fitness.

Correct AnswerverifiedTrue

When evolution works to effect a change in a population,it is engaged in __________.

Correct AnswerverifiedD

Which of the following is an example of genetic bottleneck?

Correct AnswerverifiedShow Answer

Which will result in a transformation of a population?

Correct AnswerverifiedShow Answer

Which of the following best defines the concept of ancestral characters?

Correct AnswerverifiedShow Answer

Natural selection has played no role in historical human populations.

Correct AnswerverifiedShow Answer

The difference in size,shape,or color between the sexes within a species is referred to as __________.

Correct AnswerverifiedShow Answer

The most influential current alternative to the biological species concept is the ecological species concept.

Correct AnswerverifiedShow Answer

Explain the difference between and cladistics and phenetics.What are some problems associated with each? How might the Law of Parsimony apply?

Correct AnswerAnswered by ExamLex AICladistics and phenetics are two differe...View AnswerShow Answer

Gradualism asserts that __________.

Correct AnswerverifiedShow Answer

The Hardy-Weinberg formula can be used to __________.

Correct AnswerverifiedShow Answer

What is a difference between a cladogram and a phylogeny?

Correct AnswerverifiedShow Answer

The __________ a population,the greater the potential effect of genetic drift on gene frequencies.

Correct AnswerverifiedD

It is thought that males often compete for access to females because females have __________.

Correct AnswerverifiedShow Answer

Geographic separation is an important factor in speciation.

Correct AnswerverifiedShow Answer

According to the Biological Species Concept,two groups of creatures are sometimes considered separate species even if they are capable of creating fertile offspring.

Correct AnswerverifiedShow Answer

Which of the following is a characteristic of the "ideal population" for the null hypothesis?

Correct AnswerverifiedShow Answer

A change in the frequency of a gene in a population over time due to entirely random factors is called __________.

Correct AnswerverifiedShow Answer

Citing the example of the HMS Bounty and EVC syndrome among the Amish,explain the mechanisms of gene flow and genetic drift,and the founder effect.

Correct AnswerAnswered by ExamLex AIGene flow refers to the transfer of gene...View AnswerShow Answer

Organisms are composed of both ancestral and derived characters.

Correct AnswerverifiedShow Answer

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True

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D

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Answered by ExamLex AI
Cladistics and phenetics are two differe...
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D

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Answered by ExamLex AI
Gene flow refers to the transfer of gene...
View Answer

Correct Answer
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