Question 1

Land biomes are most commonly defined by

Accepted Answer

A) their food webs. 
B) the dominant animal life in them. 
C) the dominant plant life in them. 
D) the combination of dominant plant and animal life in them. 
A) their food webs. 
B) the dominant animal life in them. 
C) the dominant plant life in them. 
D) the combination of dominant plant and animal life in them. C

Question 2

Phosphorus is considered an essential element for life; if the bacteria found in Mono Lake actually incorporate arsenic into their DNA, this assessment will need to be reevaluated.

Accepted Answer

A) True 
 B)False  True

Question 3

A molecule is constructed when two or more atoms become bonded to one another.

Accepted Answer

A) True 
 B)False  True

Question 4

Living organisms must be able to sense and respond to both their internal and external ____________________ in order to survive.

Accepted Answer

The answer of Living organisms must be able to sense...

Question 5

Which of the following statements is true?

Accepted Answer

A) Ecosystems are composed of one or more biomes. 
B) Communities are composed of one or more ecosystems. 
C) The biosphere includes all life forms and the spaces where they live. 
D) The biosphere is an intermediate classification that falls between ecosystems and biomes. 
A) Ecosystems are composed of one or more biomes. 
B) Communities are composed of one or more ecosystems. 
C) The biosphere includes all life forms and the spaces where they live. 
D) The biosphere is an intermediate classification that falls between ecosystems and biomes.

Question 6

All animals have the capacity to sense and respond to their environment; humans, for example,

Accepted Answer

A) can see better than any other animal. 
B) can hear better than any other animal. 
C) have a better sense of smell than any other animal. 
D) although not the fastest or strongest animal, have a set of sensory adaptations that are entirely compatible with human biology and environment. 
A) can see better than any other animal. 
B) can hear better than any other animal. 
C) have a better sense of smell than any other animal. 
D) although not the fastest or strongest animal, have a set of sensory adaptations that are entirely compatible with human biology and environment.

Question 7

Because the California sea lions that live along the Pacific coast freely migrate and regularly interbreed with one another biologists classify the group as a ____________________.

Accepted Answer

The answer of Because the California sea lions that live...

Question 8

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 9

Once supported by a predictable experimental outcome, a scientific hypothesis

Accepted Answer

A) is never reexamined. 
B) still cannot be considered to have been proven true. 
C) can be used to predict the outcome of all future similar events. 
D) is elevated to the status of theory. 
A) is never reexamined. 
B) still cannot be considered to have been proven true. 
C) can be used to predict the outcome of all future similar events. 
D) is elevated to the status of theory.

Question 10

In which of the following objects would the energy content be most directly connected to solar energy?

Accepted Answer

A) an apple 
B) a hamburger 
C) a slice of pizza 
D) a grilled cheese sandwich 
A) an apple 
B) a hamburger 
C) a slice of pizza 
D) a grilled cheese sandwich

Question 11

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 12

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 13

The scientific method cannot be used to evaluate untestable hypotheses; what types of questions are untestable?

Accepted Answer

A) questions about topics other than the natural world 
B) questions about the events immediately following the origin of the universe 
C) questions about the behavior of plants and animals 
D) questions whose possible answers are socially controversial 
A) questions about topics other than the natural world 
B) questions about the events immediately following the origin of the universe 
C) questions about the behavior of plants and animals 
D) questions whose possible answers are socially controversial

Question 14

Some questions fall outside the realm of science; which of the following questions could not be answered using the scientific method?

Accepted Answer

A) What is the function of the appendix in human beings? 
B) Why is it unethical to test newly developed drugs in animals? 
C) Why do smokers develop lung cancer more frequently than nonsmokers? 
D) Why is it so difficult to quit smoking? 
A) What is the function of the appendix in human beings? 
B) Why is it unethical to test newly developed drugs in animals? 
C) Why do smokers develop lung cancer more frequently than nonsmokers? 
D) Why is it so difficult to quit smoking?

Question 15

The hypothesis that a common ancestor gave rise to all living organisms is strengthened by what observation?

Accepted Answer

A) Almost all cells in all living organisms use DNA to direct their structure, function, and behavior. 
B) All living organisms use energy acquired directly from the environment or from other organisms. 
C) All living organisms reproduce. 
D) Each type of living organism adheres to the general principles of the biological hierarchy. 
A) Almost all cells in all living organisms use DNA to direct their structure, function, and behavior. 
B) All living organisms use energy acquired directly from the environment or from other organisms. 
C) All living organisms reproduce. 
D) Each type of living organism adheres to the general principles of the biological hierarchy.

Question 16

Experimentation is the primary means that verifies or refutes the ____________________ made by a hypothesis.

Accepted Answer

The answer of Experimentation is the primary means that verifies...

Question 17

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

Question 18

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 19

A medical diagnosis is a(n)

Accepted Answer

A) observation. 
B) experiment. 
C) theory. 
D) hypothesis. 
A) observation. 
B) experiment. 
C) theory. 
D) hypothesis.

Question 20

Those organisms classified as consumers capture their energy directly from the sun.

Accepted Answer

A) True 
 B)False

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

Land biomes are most commonly defined by

Phosphorus is considered an essential element for life; if the bacteria found in Mono Lake actually incorporate arsenic into their DNA, this assessment will need to be reevaluated.

A molecule is constructed when two or more atoms become bonded to one another.

Living organisms must be able to sense and respond to both their internal and external ____________________ in order to survive.

Which of the following statements is true?

All animals have the capacity to sense and respond to their environment; humans, for example,

Because the California sea lions that live along the Pacific coast freely migrate and regularly interbreed with one another biologists classify the group as a ____________________.

Which of the following is an experiment?

Once supported by a predictable experimental outcome, a scientific hypothesis

In which of the following objects would the energy content be most directly connected to solar energy?

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

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

The scientific method cannot be used to evaluate untestable hypotheses; what types of questions are untestable?

Some questions fall outside the realm of science; which of the following questions could not be answered using the scientific method?

The hypothesis that a common ancestor gave rise to all living organisms is strengthened by what observation?

Experimentation is the primary means that verifies or refutes the ____________________ made by a hypothesis.

Which of the following statements is true?

The basic unit of life is the

A medical diagnosis is a(n)

Those organisms classified as consumers capture their energy directly from the sun.

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Stem Cells, Cancer, and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

Dna and Genes

From Gene to Protein

Dna Technology

How Evolution Works

Evolution of Populations

Speciation and the Origins of Biological Diversity

The Evolutionary History of Life

The Biosphere

Growth of Populations

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons, Muscles, and Movement

Defenses Against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

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