Question 1

The type of reproductive isolation in which the two populations are separated by the habitat each utilizes is

Accepted Answer

A)  mechanical isolation.
B)  habitat isolation.
C)  hybrid inviability.
D)  behavioral isolation.
E)  temporal isolation.F) B) and D)
G) A) and B)

Question 2

Every species has a unique two-word name called the

Accepted Answer

A)  scientific name.
B)  genus.
C)  phylogeny.
D)  evolutionary tree.
E)  cladE.F) C) and D)
G) All of the above

Question 3

The idea that evolution proceeds in small,incremental changes over many generations is

Accepted Answer

A)  temporal isolation.
B)  gradualism.
C)  punctuated equilibrium.
D)  hybrid breakdown.
E)  mechanical isolation.F) A) and E)
G) None of the above

Question 4

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Accepted Answer

A) True 
 B)False

Question 5

Biologists divide mechanisms of reproductive isolation into

Accepted Answer

A)  sexual and geographic.
B)  prezygotic and sexual.
C)  postzygotic and geographiC.
D)  sexual and postzygotic.
E)  prezygotic and postzygotic.F) D) and E)
G) C) and D)

Question 6

The accumulation of microevolution events leads to macroevolution.

Accepted Answer

A) True 
 B)False

Question 7

In the section "Investigating Life: Birds Do It,Bees Do It",what hypothesis did the researchers test?

Accepted Answer

A)  Mutation in a single gene could cause a change in flower color and thus pollinator.
B)  Mutation in multiple genes over a long period of time is required to change flower color and pollinators.
C)  Pollinators do not choose which flowers to pollinate based on color.
D)  M.lewisii and M.cardinalis are the same species.
E)  M.lewisii and M.cardinalis are different species.F) A) and B)
G) B) and E)

Question 8

The larger the initial population size,the less likely it will become extinct during an environmental change.

Accepted Answer

A) True 
 B)False

Exam 14: Speciation and Extinction

The larger the initial population size,the less likely it will become extinct during an environmental change.

Correct Answer
verified

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Correct Answer
verified

Every species has a unique two-word name called the

Correct Answer
verified

The accumulation of microevolution events leads to macroevolution.

Correct Answer
verified

The idea that evolution proceeds in small,incremental changes over many generations is

Correct Answer
verified

In the section "Investigating Life: Birds Do It,Bees Do It",what hypothesis did the researchers test?

Correct Answer
verified

The type of reproductive isolation in which the two populations are separated by the habitat each utilizes is

Correct Answer
verified

Biologists divide mechanisms of reproductive isolation into

Correct Answer
verified

Exam 14: Speciation and Extinction

The larger the initial population size,the less likely it will become extinct during an environmental change.

Correct AnswerverifiedShow Answer

An evolutionary tree depicts species' relationships based on descent from shared ancestors.

Correct AnswerverifiedShow Answer

Every species has a unique two-word name called the

Correct AnswerverifiedShow Answer

The accumulation of microevolution events leads to macroevolution.

Correct AnswerverifiedShow Answer

The idea that evolution proceeds in small,incremental changes over many generations is

Correct AnswerverifiedShow Answer

In the section "Investigating Life: Birds Do It,Bees Do It",what hypothesis did the researchers test?

Correct AnswerverifiedShow Answer

The type of reproductive isolation in which the two populations are separated by the habitat each utilizes is

Correct AnswerverifiedShow Answer

Biologists divide mechanisms of reproductive isolation into

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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