Question 1

The discovery of the fossilized remains of Archaeopteryx in 1860 led to the beginning of the hypothesis of birds being closely related to:

Accepted Answer

A)  Butterflies
B)  Dinosaurs
C)  Salamanders
D)  Bats
E)  BeesF) B) and C)
G) All of the above

Question 2

Amphibians,birds,and mammals look the most similar as _____.

Accepted Answer

A)  Newborns
B)  Embryos
C)  Adults
D)  Fossils
E)  JuvenilesF) B) and C)
G) A) and C)

Question 3

If many human genes differ in about 10% of their bases from another species' same genes and substitutions occur at an estimated rate of 2% per one million years then:

Accepted Answer

A)  About 5 million years have passed since the two species diverged
B)  About 3 million years have passed since the two species diverged
C)  About 10 million years have passed since the two species diverged
D)  About 20 million years have passed since the two species diverged
E)  About 200,000 years have passed since the two species divergedF) A) and C)
G) C) and D)

Question 4

The Cretaceous and Jurassic periods are part of the:

Accepted Answer

A)  Mesozoic era
B)  Archean era
C)  Proterozoic era
D)  Cenozoic era
E)  Paleozoic eraF) A) and E)
G) All of the above

Question 5

A polyphyletic group is a group of species that exclude the most recent common ancestor.

Accepted Answer

A) True 
 B)False

Question 6

Placental mammals give birth to more fully developed offspring than marsupial mammals and therefore have a greater chance of survival.This helps to explain why placental mammals from North America displaced many native South American marsupial mammals when a land bridge formed between the two continents.

Accepted Answer

A) True 
 B)False

Question 7

figure 12.22b 
-In figure 12.22b,what is the dependent variable?

Accepted Answer

A)  Year
B)  Beak size
C)  Seed mass
D)  Total rainfall
E)  Seed sizeF) None of the above
G) B) and E)

Question 8

The half life of 14C is 5730 years.11,460 years after an organism dies what percent of the initial 14C will still be present in the organism bones?

Accepted Answer

A)  50%
B)  25%
C)  75%
D)  100%
E)  0%F) B) and E)
G) D) and E)

Question 9

Before human colonization of New Zealand by the Maori 1,200 years ago,there were no land mammals and many species of flightless birds on the island.Why would there be more flightless birds on New Zealand than on nearby Australia,which had land mammals for millions of years?

Accepted Answer

A)  Because only flightless birds colonized New Zealand.
B)  Because birds evolved separately on New Zealand, and these birds had not yet gained the ability to fly.
C)  Because the birds that colonized New Zealand adapted to many new environments.
D)  Because the birds that could fly all left the island.
E)  Because of competition with mammals.F) A) and D)
G) All of the above

Question 10

The abundant presence of ammonite fossils in a large area indicate that the area was once part of an ocean.

Accepted Answer

A) True 
 B)False

Question 11

Evolution occurs in:

Accepted Answer

A)  Individuals
B)  Communities
C)  Species
D)  Genotypes
E)  AllelesF) B) and D)
G) A) and B)

Question 12

The fossil record indicates that at one time marsupials were common to both Australia and South America,but today most South American marsupials have become extinct.The most probable explanation for marsupials being common to Australia yet not very common to South America today is:

Accepted Answer

A)  South American marsupials were displaced by placental mammals when a land bridge formed between North America and South America about seven million years ago
B)  Marsupials were able to flourish in South America because of its isolation from other land masses
C)  Placental mammals are less fully developed than marsupials when born and therefore have a better chance of survival after birth
D)  South American and Australian marsupials interbred
E)  Marsupials can only survive in warm climates like AustraliaF) A) and E)
G) A) and B)

Question 13

If climate change leads to a warmer,drier climate in the Galapagos Islands,what would happen to the medium ground finches that eat smaller seeds?

Accepted Answer

A)  The frequency of the allele for larger beaks will become more common
B)  The frequency of the allele for smaller beaks will become more common
C)  There will be no change in the frequency of the allele for larger beaks
D)  Adult finches will grow larger beaks to eat the seeds
E)  Adult finches will shrink their beaks to eat the seedsF) A) and D)
G) All of the above

Question 14

If similarities between two structures in different organisms reflect independent evolution,these structures are:

Accepted Answer

A)  Analogous
B)  Vestigial
C)  Homologous
D)  Homeotic
E)  HeterologousF) B) and C)
G) A) and B)

Question 15

The wing of a bat and an insect are examples of:

Accepted Answer

A)  Analogous structures
B)  Homologous structures
C)  Vestigial structures
D)  Homeotic structures
E)  Heterologous structuresF) D) and E)
G) B) and D)

Question 16

After the El Niño event in 1982,what happened to the cactus finches that eat larger seeds?

Accepted Answer

A)  Their beaks became smaller
B)  Their beaks became larger
C)  They began eating insects
D)  Their beaks did not change in size
E)  They migrated to other islandsF) A) and E)
G) A) and D)

Question 17

Dinosaurs lived essentially during the Paleozoic era.

Accepted Answer

A) True 
 B)False

Question 18

Why do different mutations accumulate in two species once they diverge?

Accepted Answer

A)  Because they can no longer mate and swap the mutation
B)  Because the molecular clock runs at different speeds in different species
C)  Because the mutations make the species different
D)  Because natural selection favors mutations in one species over another
E)  Because of convergent evolutionF) None of the above
G) C) and E)

Question 19

The hypothesis that birds are closely related to small dinosaurs called theropods began with the discovery of the fossilized skeleton of Archaeopteryx.

Accepted Answer

A) True 
 B)False

Question 20

After the El Niño event in 1982,what happened to the medium ground finches that eat smaller seeds?

Accepted Answer

A)  Their beaks became smaller
B)  Their beaks became larger
C)  Their beaks did not change in size
D)  They began eating insects
E)  They migrated to other islandsF) A) and D)
G) A) and B)

Exam 12: Evidence for Evolution

figure 12.22b -In figure 12.22b,what is the dependent variable?

Correct Answer
verified

The hypothesis that birds are closely related to small dinosaurs called theropods began with the discovery of the fossilized skeleton of Archaeopteryx.

Correct Answer
verified

Evolution occurs in:

Correct Answer
verified

Dinosaurs lived essentially during the Paleozoic era.

Correct Answer
verified

After the El Niño event in 1982,what happened to the medium ground finches that eat smaller seeds?

Correct Answer
verified

Amphibians,birds,and mammals look the most similar as _____.

Correct Answer
verified

If many human genes differ in about 10% of their bases from another species' same genes and substitutions occur at an estimated rate of 2% per one million years then:

Correct Answer
verified

The fossil record indicates that at one time marsupials were common to both Australia and South America,but today most South American marsupials have become extinct.The most probable explanation for marsupials being common to Australia yet not very common to South America today is:

Correct Answer
verified

The half life of ¹⁴C is 5730 years.11,460 years after an organism dies what percent of the initial ¹⁴C will still be present in the organism bones?

Correct Answer
verified

After the El Niño event in 1982,what happened to the cactus finches that eat larger seeds?

Correct Answer
verified

If similarities between two structures in different organisms reflect independent evolution,these structures are:

Correct Answer
verified

Why do different mutations accumulate in two species once they diverge?

Correct Answer
verified

If climate change leads to a warmer,drier climate in the Galapagos Islands,what would happen to the medium ground finches that eat smaller seeds?

Correct Answer
verified

The wing of a bat and an insect are examples of:

Correct Answer
verified

Correct Answer
verified

Before human colonization of New Zealand by the Maori 1,200 years ago,there were no land mammals and many species of flightless birds on the island.Why would there be more flightless birds on New Zealand than on nearby Australia,which had land mammals for millions of years?

Correct Answer
verified

The Cretaceous and Jurassic periods are part of the:

Correct Answer
verified

The discovery of the fossilized remains of Archaeopteryx in 1860 led to the beginning of the hypothesis of birds being closely related to:

Correct Answer
verified

The abundant presence of ammonite fossils in a large area indicate that the area was once part of an ocean.

Correct Answer
verified

A polyphyletic group is a group of species that exclude the most recent common ancestor.

Correct Answer
verified

Exam 12: Evidence for Evolution

figure 12.22b -In figure 12.22b,what is the dependent variable?

Correct AnswerverifiedShow Answer

The hypothesis that birds are closely related to small dinosaurs called theropods began with the discovery of the fossilized skeleton of Archaeopteryx.

Correct AnswerverifiedShow Answer

Evolution occurs in:

Correct AnswerverifiedShow Answer

Dinosaurs lived essentially during the Paleozoic era.

Correct AnswerverifiedShow Answer

After the El Niño event in 1982,what happened to the medium ground finches that eat smaller seeds?

Correct AnswerverifiedShow Answer

Amphibians,birds,and mammals look the most similar as _____.

Correct AnswerverifiedShow Answer

If many human genes differ in about 10% of their bases from another species' same genes and substitutions occur at an estimated rate of 2% per one million years then:

Correct AnswerverifiedShow Answer

The fossil record indicates that at one time marsupials were common to both Australia and South America,but today most South American marsupials have become extinct.The most probable explanation for marsupials being common to Australia yet not very common to South America today is:

Correct AnswerverifiedShow Answer

The half life of 14C is 5730 years.11,460 years after an organism dies what percent of the initial 14C will still be present in the organism bones?

Correct AnswerverifiedShow Answer

After the El Niño event in 1982,what happened to the cactus finches that eat larger seeds?

Correct AnswerverifiedShow Answer

If similarities between two structures in different organisms reflect independent evolution,these structures are:

Correct AnswerverifiedShow Answer

Why do different mutations accumulate in two species once they diverge?

Correct AnswerverifiedShow Answer

If climate change leads to a warmer,drier climate in the Galapagos Islands,what would happen to the medium ground finches that eat smaller seeds?

Correct AnswerverifiedShow Answer

The wing of a bat and an insect are examples of:

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Before human colonization of New Zealand by the Maori 1,200 years ago,there were no land mammals and many species of flightless birds on the island.Why would there be more flightless birds on New Zealand than on nearby Australia,which had land mammals for millions of years?

Correct AnswerverifiedShow Answer

The Cretaceous and Jurassic periods are part of the:

Correct AnswerverifiedShow Answer

The discovery of the fossilized remains of Archaeopteryx in 1860 led to the beginning of the hypothesis of birds being closely related to:

Correct AnswerverifiedShow Answer

The abundant presence of ammonite fossils in a large area indicate that the area was once part of an ocean.

Correct AnswerverifiedShow Answer

A polyphyletic group is a group of species that exclude the most recent common ancestor.

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
verified

The half life of ¹⁴C is 5730 years.11,460 years after an organism dies what percent of the initial ¹⁴C will still be present in the organism bones?

Correct Answer
verified

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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