Question 1

With ____ selection(s), the intermediate form of a trait is favored.

Accepted Answer

A)  stabilizing 
B)  directional 
C)  disruptive 
D)  frequent 
E)  none of these 
A)  stabilizing 
B)  directional 
C)  disruptive 
D)  frequent 
E)  none of these

Question 2

Which of the following is always a part of speciation?

Accepted Answer

A)  behavioral isolation 
B)  temporal isolation 
C)  reproductive isolation 
D)  ecological isolation 
E)  mechanical isolation 
A)  behavioral isolation 
B)  temporal isolation 
C)  reproductive isolation 
D)  ecological isolation 
E)  mechanical isolation

Question 3

How many nucleotides in the human genome sequence change every decade?

Accepted Answer

A)  40 
B)  50 
C)  60 
D)  70 
E)  80 
A)  40 
B)  50 
C)  60 
D)  70 
E)  80

Question 4

Cladograms are used to

Accepted Answer

A)  classify organisms into taxonomic categories. 
B)  visualize evolutionary trends and patterns. 
C)  understand microevolution. 
D)  determine nucleotide sequences in fossilized organisms. 
E)  do more than one of these. 
A)  classify organisms into taxonomic categories. 
B)  visualize evolutionary trends and patterns. 
C)  understand microevolution. 
D)  determine nucleotide sequences in fossilized organisms. 
E)  do more than one of these.

Question 5

Macroevolution may have been caused by

Accepted Answer

A)  changes in homeotic genes. 
B)  small, cumulative genetic changes. 
C)  exaptation. 
D)  allopatric speciation. 
E)  more than one of these. 
A)  changes in homeotic genes. 
B)  small, cumulative genetic changes. 
C)  exaptation. 
D)  allopatric speciation. 
E)  more than one of these.

Question 6

____ changes the DNA but has no impact upon the individual.

Accepted Answer

A)  A beneficial mutation 
B)  A lethal mutation 
C)  A random mutation 
D)  A neutral mutation 
E)  None of these 
A)  A beneficial mutation 
B)  A lethal mutation 
C)  A random mutation 
D)  A neutral mutation 
E)  None of these

Question 7

Which of the following is NOT a source of heritable variation in traits among individuals of a population?

Accepted Answer

A)  mutation 
B)  crossing over 
C)  independent assortment 
D)  fertilization 
E)  mitosis 
A)  mutation 
B)  crossing over 
C)  independent assortment 
D)  fertilization 
E)  mitosis

Question 8

Staphlococcus aureus is a bacterium that causes wound infections. Many strains of S. aureus now exist that have evolved resistance to the potent antibiotic, methicillin. This is an example of ____ selection.

Accepted Answer

A)  directional 
B)  stabilizing 
C)  disruptive 
D)  frequent 
E)  more than one of these types of 
A)  directional 
B)  stabilizing 
C)  disruptive 
D)  frequent 
E)  more than one of these types of

Question 9

All of the alleles of all of the genes of a population make up the

Accepted Answer

A)  species richness. 
B)  species abundance. 
C)  genome. 
D)  gene pool. 
E)  none of these. 
A)  species richness. 
B)  species abundance. 
C)  genome. 
D)  gene pool. 
E)  none of these.

Question 10

By the year 1900, the American bison had been hunted to near extinction. From those that survived the slaughter, breeding programs have increased the population of American bison to close to 500, 000 today. This is an example of

Accepted Answer

A)  artificial selection. 
B)  the founder effect. 
C)  the bottleneck effect. 
D)  the Red Queen effect. 
E)  gene flow. 
A)  artificial selection. 
B)  the founder effect. 
C)  the bottleneck effect. 
D)  the Red Queen effect. 
E)  gene flow.

Question 11

Finches having either a large bill or a small bill but no sizes in between is an example of ____ selection(s).

Accepted Answer

A)  stabilizing 
B)  disruptive 
C)  frequent 
D)  directional 
E)  mutational 
A)  stabilizing 
B)  disruptive 
C)  frequent 
D)  directional 
E)  mutational

Question 12

The variety of beaks found in Hawaiian honeycreepers is an example of

Accepted Answer

A)  temporal isolation. 
B)  convergent evolution. 
C)  morphological convergence. 
D)  morphological divergence. 
E)  key innovation. 
A)  temporal isolation. 
B)  convergent evolution. 
C)  morphological convergence. 
D)  morphological divergence. 
E)  key innovation.

Question 13

A female bowerbird being unable to recognize the mating ritual of a male toucan is an example of what type of isolating mechanism?

Accepted Answer

A)  genetic 
B)  ecological 
C)  behavioral 
D)  mechanical 
E)  temporal 
A)  genetic 
B)  ecological 
C)  behavioral 
D)  mechanical 
E)  temporal

Exam 12: Processes of Evolution

With ____ selection(s), the intermediate form of a trait is favored.

Which of the following is always a part of speciation?

How many nucleotides in the human genome sequence change every decade?

Cladograms are used to

Macroevolution may have been caused by

____ changes the DNA but has no impact upon the individual.

Which of the following is NOT a source of heritable variation in traits among individuals of a population?

Staphlococcus aureus is a bacterium that causes wound infections. Many strains of S. aureus now exist that have evolved resistance to the potent antibiotic, methicillin. This is an example of ____ selection.

All of the alleles of all of the genes of a population make up the

By the year 1900, the American bison had been hunted to near extinction. From those that survived the slaughter, breeding programs have increased the population of American bison to close to 500, 000 today. This is an example of

Finches having either a large bill or a small bill but no sizes in between is an example of ____ selection(s).

The variety of beaks found in Hawaiian honeycreepers is an example of

A female bowerbird being unable to recognize the mating ritual of a male toucan is an example of what type of isolating mechanism?

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

How Cells Reproduce

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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