Question 1

Examine the figure below.  
What best explains why the young woman is drinking after her exercise session?

Accepted Answer

A)  Exercise creates body heat, which needs to be eliminated. 
B)  Cold water cools the body and restores the temperature balance-a process known as homeostasis. 
C)  The beverage is most likely a sugar-sweetened soft drink; sugar replenishes the energy lost during exercise. 
D)  Sweating to eliminate excess heat is a source of water loss, which must be replenished if homeostasis is to be maintained. 
A)  Exercise creates body heat, which needs to be eliminated. 
B)  Cold water cools the body and restores the temperature balance-a process known as homeostasis. 
C)  The beverage is most likely a sugar-sweetened soft drink; sugar replenishes the energy lost during exercise. 
D)  Sweating to eliminate excess heat is a source of water loss, which must be replenished if homeostasis is to be maintained.

Question 2

Consider each of the following true statements; which statement supports the theory that all living organisms descended from one common ancestor?

Accepted Answer

A)  Viruses have a protein coat. 
B)  Offspring resemble their parents. 
C)  All living organisms use DNA as their hereditary material. 
D)  Some organisms are consumers, while others are producers. 
A)  Viruses have a protein coat. 
B)  Offspring resemble their parents. 
C)  All living organisms use DNA as their hereditary material. 
D)  Some organisms are consumers, while others are producers.

Question 3

A group of interbreeding organisms whose offspring are themselves fertile constitutes a

Accepted Answer

A)  web. 
B)  biome. 
C)  unit. 
D)  species. 
A)  web. 
B)  biome. 
C)  unit. 
D)  species.

Question 4

Plants and animals need a variety of resources to carry out and maintain life processes; the most important is _______.

Accepted Answer

The answer of Plants and animals need a variety of...

Question 5

Which of the following statements is true?

Accepted Answer

A)  Producers obtain their energy from other organisms. 
B)  Producers represent the final energy transfer in a food web. 
C)  Consumers obtain their energy from other organisms. 
D)  Consumers represent the initial energy transfer in a food web. 
A)  Producers obtain their energy from other organisms. 
B)  Producers represent the final energy transfer in a food web. 
C)  Consumers obtain their energy from other organisms. 
D)  Consumers represent the initial energy transfer in a food web.

Question 6

When compared to living organisms, viruses display several unusual features; one of the most striking is that

Accepted Answer

A)  viruses do not evolve. 
B)  viral reproduction utilizes a cloning strategy that is independent of DNA. 
C)  viruses utilize both DNA and RNA in their biochemistry. 
D)  viruses are not constructed from cells. 
A)  viruses do not evolve. 
B)  viral reproduction utilizes a cloning strategy that is independent of DNA. 
C)  viruses utilize both DNA and RNA in their biochemistry. 
D)  viruses are not constructed from cells.

Question 7

Because the brain is constructed from nerve cells it is considered an organ.

Accepted Answer

A) True 
 B)False

Question 8

The genetic material used for reproduction by those organisms conventionally considered to be living is _______.

Accepted Answer

The answer of The genetic material used for reproduction by...

Question 9

Which of the following is an experiment?

Accepted Answer

A)  reading a blood pressure gauge 
B)  examining an X-ray 
C)  taking prescription medicine 
D)  making a medical diagnosis 
A)  reading a blood pressure gauge 
B)  examining an X-ray 
C)  taking prescription medicine 
D)  making a medical diagnosis

Question 10

Charles Darwin introduced the concept of adaptation, which he defined as features

Accepted Answer

A)  that help organisms survive and reproduce. 
B)  that allow an organism to resist the pressures of evolutionary change. 
C)  that allow organisms to change their environment in ways that best ensure continued survival. 
D)  All of the above are aspects of the definition of adaptation. 
A)  that help organisms survive and reproduce. 
B)  that allow an organism to resist the pressures of evolutionary change. 
C)  that allow organisms to change their environment in ways that best ensure continued survival. 
D)  All of the above are aspects of the definition of adaptation.

Question 11

Examine the figure below.  
What best explains the motivation of the snake?

Accepted Answer

A)  Mice will eat snake eggs if they are unprotected in the nest; the snake is protecting its eggs. 
B)  Snakes are highly territorial and attack intruders; the mouse wandered into the snake's territory 
C)  The snake is a consumer; it is eating the mouse to obtain energy. 
D)  Any one of the above is a reasonable hypothesis; but more information is needed before the question can be answered. 
A)  Mice will eat snake eggs if they are unprotected in the nest; the snake is protecting its eggs. 
B)  Snakes are highly territorial and attack intruders; the mouse wandered into the snake's territory 
C)  The snake is a consumer; it is eating the mouse to obtain energy. 
D)  Any one of the above is a reasonable hypothesis; but more information is needed before the question can be answered.

Question 12

Plants convert the energy in _______ into energy-rich substances using a process called photosynthesis.

Accepted Answer

The answer of Plants convert the energy in _______ into...

Question 13

Which of the following sequences correctly represents the biological hierarchy of a multicellular organism?

Accepted Answer

A)  cells ® tissues ® organs ® individual 
B)  tissues ® organs ® cells ® individual 
C)  individual ® cells ® organ systems ® tissues 
D)  organ systems ® organs ® tissues ® individual 
A)  cells ® tissues ® organs ® individual 
B)  tissues ® organs ® cells ® individual 
C)  individual ® cells ® organ systems ® tissues 
D)  organ systems ® organs ® tissues ® individual

Question 14

Which of the following represents conducting an experiment?

Accepted Answer

A)  dialing a telephone number 
B)  comparing prices of computers 
C)  checking your midterm grades online 
D)  predicting the outcome of a basketball game 
A)  dialing a telephone number 
B)  comparing prices of computers 
C)  checking your midterm grades online 
D)  predicting the outcome of a basketball game

Question 15

The basic unit of life is the

Accepted Answer

A)  cell. 
B)  organ. 
C)  organelle. 
D)  tissue. 
A)  cell. 
B)  organ. 
C)  organelle. 
D)  tissue.

Question 16

A scientific hypothesis must be testable; if not, science cannot evaluate it.

Accepted Answer

A) True 
 B)False

Question 17

Although vaccination can provide a lifelong protection against some diseases, flu vaccines are rarely effective against next year's flu because the virus that causes flu

Accepted Answer

A)  is not alive. 
B)  can evolve quickly. 
C)  can change its cell membranes and block the action of the vaccine. 
D)  can develop into immune bacteria and neutralize the action of the vaccine. 
A)  is not alive. 
B)  can evolve quickly. 
C)  can change its cell membranes and block the action of the vaccine. 
D)  can develop into immune bacteria and neutralize the action of the vaccine.

Question 18

Which of the following has a reproductive strategy that does not depend on eggs and sperm?

Accepted Answer

A)  a grasshopper 
B)  a black widow spider 
C)  a turtle 
D)  a bacterium 
A)  a grasshopper 
B)  a black widow spider 
C)  a turtle 
D)  a bacterium

Question 19

Although it seems contradictory, science cannot prove a hypothesis to be true. This is because

Accepted Answer

A)  all true hypotheses will be rejected by the scientific method because they can be proven false. 
B)  future experiments or discoveries may provide data that refutes the hypothesis. 
C)  science is a human endeavor, and like all human endeavors, is limited by human understanding. 
D)  the scientific method is limited to examination of the natural world. 
A)  all true hypotheses will be rejected by the scientific method because they can be proven false. 
B)  future experiments or discoveries may provide data that refutes the hypothesis. 
C)  science is a human endeavor, and like all human endeavors, is limited by human understanding. 
D)  the scientific method is limited to examination of the natural world.

Question 20

A ______ consists of groups of different species living and interacting in a given area.

Accepted Answer

A)  biosphere 
B)  population 
C)  community 
D)  habitat 
A)  biosphere 
B)  population 
C)  community 
D)  habitat

Exam 1: The Nature of Science and the Characteristics of Life

Examine the figure below. What best explains why the young woman is drinking after her exercise session?

Consider each of the following true statements; which statement supports the theory that all living organisms descended from one common ancestor?

A group of interbreeding organisms whose offspring are themselves fertile constitutes a

Plants and animals need a variety of resources to carry out and maintain life processes; the most important is _______.

Which of the following statements is true?

When compared to living organisms, viruses display several unusual features; one of the most striking is that

Because the brain is constructed from nerve cells it is considered an organ.

The genetic material used for reproduction by those organisms conventionally considered to be living is _______.

Which of the following is an experiment?

Charles Darwin introduced the concept of adaptation, which he defined as features

Examine the figure below. What best explains the motivation of the snake?

Plants convert the energy in _______ into energy-rich substances using a process called photosynthesis.

Which of the following sequences correctly represents the biological hierarchy of a multicellular organism?

Which of the following represents conducting an experiment?

The basic unit of life is the

A scientific hypothesis must be testable; if not, science cannot evaluate it.

Although vaccination can provide a lifelong protection against some diseases, flu vaccines are rarely effective against next year's flu because the virus that causes flu

Which of the following has a reproductive strategy that does not depend on eggs and sperm?

Although it seems contradictory, science cannot prove a hypothesis to be true. This is because

A ______ consists of groups of different species living and interacting in a given area.

Organizing the Diversity of Life

Major Groups of Living Organisms

Chemical Building Blocks

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

DNA

From Gene to Protein

Control of Gene Expression

DNA Technology

How Evolution Works

Evolution of Populations

Adaptation and Speciation

The Evolutionary History of Life

Maintaining the Internal Environment

Animal Nutrition and Digestion

Gas Exchange

The Circulatory System

Animal Hormones

The Nervous System

Sensing the Environment

Skeletons, Muscles, and Movement

Defenses against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

The Biosphere

Growth of Populations

Interactions among Organisms

Communities of Organisms

Ecosystems

Global Change

Biodiversity and People

Cancer: Cell Division Out of Control

Harnessing the Human Genome

Humans and Evolution

Smoking--Beyond Lung Cancer

Feeding a Hungry Planet

Building a Sustainable Society

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