Test Bank For Elements of Ecology 9th Edition by Thomas Smith, Robert Smith Complete Questions and Answers A+

,Elements of Ecology, 9e (Smith) B B B B




Chapter 1 The Nature of Ecology
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1.1 Short Answer Questions B B




1) is activism with a stated aim of protecting the natural environment, particularly
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from the negative impacts of human activities.
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Answer: Environmentalism B




Topic: Section 1.1
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Bloom's Taxonomy: Knowledge/Comprehension
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2) is the scientific study of the relationship between organisms and their environment.
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Answer: Ecology
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Topic: Section 1.1 B B




Bloom's Taxonomy: Knowledge/Comprehension
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3) The living, or
B , and nonliving, or B B B B B B , components of the environment interact
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within an ecosystem.
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Answer: biotic; abiotic B B




Topic: Section 1.2
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Bloom's Taxonomy: Knowledge/Comprehension
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4) A group of individuals of the same species that occupies a given area is referred to as a(n)
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.
Answer: population B




Topic: Section 1.3
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Bloom's Taxonomy: Knowledge/Comprehension
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5) All populations of different species living and interacting within an ecosystem are referred to
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collectively as a(n)
B . B B B




Answer: community B




Topic: Section 1.3
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Bloom's Taxonomy: Knowledge/Comprehension
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6) At the
B level, an ecologist might focus on the factors that affect the relative
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abundance of various populations in the area.
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Answer: community B




Topic: Section 1.4
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Bloom's Taxonomy: Knowledge/Comprehension
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7) All science begins with
B , which is the first step in the process known as the scientific
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method.
B




Answer: observation B




Topic: Section 1.5
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Bloom's Taxonomy: Knowledge/Comprehension
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,8) In a field experiment, an ecologist measures the effects of nitrogen on productivity, plotting
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data for nitrogen on the x-axis and productivity on the y-axis. In this experiment, the dependent
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variable is
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Answer: productivity B




Topic: Section 1.5
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Bloom's Taxonomy: Application/Analysis
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9) A(n) is an abstract, simplified representation of a real system, allowing us to predict
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some behavior or response using a set of explicit assumptions.
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Answer: model B




Topic: Section 1.6
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Bloom's Taxonomy: Knowledge/Comprehension
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10) The forms the basic unit in ecology.
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Answer: individual
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Topic: Section 1.9 B B




Bloom's Taxonomy: Knowledge/Comprehension
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1.2 Multiple-Choice Questions B




1) The term "ecology" is defined as the study of the
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A) environment.
B) relationships between organisms. B B




C) relationships between organisms and their environment. B B B B B




D) impact of humans on the environment. B B B B B




Answer: C
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Topic: Section 1.1 B B




Bloom's Taxonomy: Knowledge/Comprehension
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2) Which of the following is a cornerstone of the science of ecology?
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A) Environmentalism
B) Darwin's theory of natural selection B B B B




C) Economics
D) Populations
Answer: B
B B




Topic: Section 1.1 B B




Bloom's Taxonomy: Knowledge/Comprehension
B B




3) Moisture and concentration of oxygen B B B B




A) are parts of an organism's environment.
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B) have no effect on the physiology of an organism.
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C) are biological conditions that impact an organism's survival.
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D) do not vary in the environment.
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Answer: A
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Topic: Section 1.2 B B




Bloom's Taxonomy: Knowledge/Comprehension
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, 4) The interaction of a biotic community and its abiotic environment is referred to as a(n)
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A) biosphere.
B) ecosystem.
C) population.
D) biome.
Answer: B
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Topic: Section 1.2
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Bloom's Taxonomy: Knowledge/Comprehension
B B




5) Which of the following is considered an abiotic component of the ecosystem?
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A) temperature
B) microbes
C) plants
D) animals
Answer: A
B B




Topic: Section 1.2
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Bloom's Taxonomy: Knowledge/Comprehension
B B




6) A biome is
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A) the thin layer surrounding the Earth that supports all life.
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B) all the populations of different species living and interacting within an ecosystem.
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C) a broad-scale region dominated by similar types of ecosystems.
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D) an area of land or water composed of a patchwork of communities and ecosystems.
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Answer: C
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Topic: Section 1.3
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Bloom's Taxonomy: Knowledge/Comprehension
B B




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