Question 1

Types of living organisms on Earth have changed over time; new species have originated and existing species have disappeared.This describes

Accepted Answer

A)   speciation.
B)   extinction.
C)   macroevolution.
D)   alternation of generations.
E)   hybridization.F) A) and E)
G) B) and E)

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) A) and D)
G) C) and E)

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) B) and D)
G) C) and D)

Question 4

Reading a cladogram,birds are least related to

Accepted Answer

A)   nonavian dinosaurs.
B)   crocodiles.
C)   turtles.
D)   mammals.
E)   amphibians.F) B) and E)
G) A) and E)

Question 5

What is the least inclusive level of the hierarchical classification scheme?

Accepted Answer

A)   domain
B)   phylum
C)   kingdom
D)   genus
E)   speciesF) None of the above
G) B) and D)

Question 6

A small angle for a branch point in an evolutionary tree indicates

Accepted Answer

A)   extinction.
B)   punctuated equilibrium.
C)   gradualism.
D)   convergent evolution.
E)   temporal isolation.F) All of the above
G) A) and E)

Question 7

Scientists can fill in gaps in defining species by DNA sequence analysis.

Accepted Answer

A) True 
 B)False

Question 8

Punctuated equilibrium is the steady,gradual loss of species due to normal evolutionary processes.

Accepted Answer

A) True 
 B)False

Question 9

What is the most inclusive level of the hierarchical classification scheme?

Accepted Answer

A)   domain
B)   phylum
C)   kingdom
D)   genus
E)   speciesF) A) and E)
G) None of the above

Question 10

Sympatric speciation is more accepted by scientists than allopatric speciation.

Accepted Answer

A) True 
 B)False

Exam 14: Speciation and Extinction

Types of living organisms on Earth have changed over time; new species have originated and existing species have disappeared.This describes

Correct Answer
verified

A small angle for a branch point in an evolutionary tree indicates

Correct Answer
verified

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

Correct Answer
verified

Reading a cladogram,birds are least related to

Correct Answer
verified

Punctuated equilibrium is the steady,gradual loss of species due to normal evolutionary processes.

Correct Answer
verified

Scientists can fill in gaps in defining species by DNA sequence analysis.

Correct Answer
verified

Sympatric speciation is more accepted by scientists than allopatric speciation.

Correct Answer
verified

Every species has a unique two-word name called the

Correct Answer
verified

What is the most inclusive level of the hierarchical classification scheme?

Correct Answer
verified

What is the least inclusive level of the hierarchical classification scheme?

Correct Answer
verified

Exam 14: Speciation and Extinction

Types of living organisms on Earth have changed over time; new species have originated and existing species have disappeared.This describes

Correct AnswerverifiedShow Answer

A small angle for a branch point in an evolutionary tree indicates

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Reading a cladogram,birds are least related to

Correct AnswerverifiedShow Answer

Punctuated equilibrium is the steady,gradual loss of species due to normal evolutionary processes.

Correct AnswerverifiedShow Answer

Scientists can fill in gaps in defining species by DNA sequence analysis.

Correct AnswerverifiedShow Answer

Sympatric speciation is more accepted by scientists than allopatric speciation.

Correct AnswerverifiedShow Answer

Every species has a unique two-word name called the

Correct AnswerverifiedShow Answer

What is the most inclusive level of the hierarchical classification scheme?

Correct AnswerverifiedShow Answer

What is the least inclusive level of the hierarchical classification scheme?

Correct AnswerverifiedShow Answer

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