Question 1

Comparing the evolution of domesticated dogs to the evolution of wolves over the same time period illustrates what relationship between artificial and natural selection?

Accepted Answer

A)  Artificial selection is slower than natural selection.
B)  Artificial selection is reversible; natural selection is not.
C)  Artificial selection is more likely to produce maladaptive structures than natural selection.
D)  Artificial selection cannot produce changes as large as changes produced by natural selection.
E)  In artificial selection,the magnitude of the selection pressure can be varied; in natural selection,it cannot.F) C) and E)
G) B) and D)

Question 2

Which one of the following features of Archaeopteryx clearly demonstrates that it was on the evolutionary line leading from dinosaurs to birds?

Accepted Answer

A)  egg-laying ability
B)  teeth
C)  feathers
D)  bony tail
E)  claws on forelimbsF) C) and E)
G) C) and D)

Question 3

A rock contains 18 mg of the radioactive isotope carbon-14.The half-life of carbon-14 is 5,600 years.How many half-lives and years will it take before the carbon-14 decays to less than 4 mg?

Accepted Answer

A)  1 half-lives; 5,600 years
B)  2 half-lives; 11,200 years
C)  3 half-lives; 16,800 years
D)  4 half-lives; 22,400 years
E)  9 half-lives; 50,400 yearsF) C) and D)
G) A) and D)

Question 4

A new plant species is introduced to Daphne Major and produces small,thin seeds.This plant species is highly adapted to drought and after 5 years has replaced over 80% of the native plants that produce large seeds.How will this change affect the evolution of beak size in the medium ground finch population?

Accepted Answer

A)  Small beaks will be favored under all rainfall conditions.
B)  Small beaks will be favored in wet years and large beaks will be favored in dry years.
C)  Large beaks will be favored in wet years and small beaks will be favored in dry years.
D)  Large beaks will be favored under all rainfall conditions.E) A) and B)
F) A) and C)

Question 5

Domestication of dogs has led to

Accepted Answer

A)  a variety of homologous structures.
B)  a variety of phenotypes.
C)  a variety of mutations.
D)  a variety of reproductively isolated breeds.
E)  a variety of different species.F) A) and C)
G) D) and E)

Exam 21: The Evidence for Evolution

Domestication of dogs has led to

Correct Answer
verified

Which one of the following features of Archaeopteryx clearly demonstrates that it was on the evolutionary line leading from dinosaurs to birds?

Correct Answer
verified

Correct Answer
verified

A rock contains 18 mg of the radioactive isotope carbon-14.The half-life of carbon-14 is 5,600 years.How many half-lives and years will it take before the carbon-14 decays to less than 4 mg?

Correct Answer
verified

Comparing the evolution of domesticated dogs to the evolution of wolves over the same time period illustrates what relationship between artificial and natural selection?

Correct Answer
verified

Exam 21: The Evidence for Evolution

Domestication of dogs has led to

Correct AnswerverifiedShow Answer

Which one of the following features of Archaeopteryx clearly demonstrates that it was on the evolutionary line leading from dinosaurs to birds?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

A rock contains 18 mg of the radioactive isotope carbon-14.The half-life of carbon-14 is 5,600 years.How many half-lives and years will it take before the carbon-14 decays to less than 4 mg?

Correct AnswerverifiedShow Answer

Comparing the evolution of domesticated dogs to the evolution of wolves over the same time period illustrates what relationship between artificial and natural selection?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified