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

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

Institution
Ecology
Course
Ecology











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Institution
Ecology
Course
Ecology

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Uploaded on
September 30, 2025
Number of pages
441
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

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


Chapter 1 The Nature of Ecology
y y y y y y




1.1 Short Answer Questions y y




1) is activism with a stated aim of protecting the natural environment, particularly
y y y y y y y y y y y


from the negative impacts of human activities.
y y y y y y y


Answer: Environmentalism y


Topic: Section 1.1
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




2) is the scientific study of the relationship between organisms and their environment.
y y y y y y y y y y y


Answer: Ecology
y y


Topic: Section 1.1 y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




3) The living, or
y , and nonliving, or y y y y y y , components of the environment interact
y y y y y


within an ecosystem.
y y y


Answer: biotic; abiotic y y


Topic: Section 1.2
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




4) A group of individuals of the same species that occupies a given area is referred to as a(n)
y y y y y y y y y y y y y y y y y


.
Answer: population y


Topic: Section 1.3
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




5) All populations of different species living and interacting within an ecosystem are referred to
y y y y y y y y y y y y y


collectively as a(n)
y . y y y


Answer: community y


Topic: Section 1.3
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




6) At the
y level, an ecologist might focus on the factors that affect the relative
y y y y y y y y y y y y


abundance of various populations in the area.
y y y y y y y


Answer: community y


Topic: Section 1.4
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




7) All science begins with
y , which is the first step in the process known as the scientific
y y y y y y y y y y y y y y y


method.
y


Answer: observation y


Topic: Section 1.5
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




1
Copyright © 2015 Pearson Education, Inc.
y y y y y

,8) In a field experiment, an ecologist measures the effects of nitrogen on productivity, plotting
y y y y y y y y y y y y y


data for nitrogen on the x-axis and productivity on the y-axis. In this experiment, the dependent
y y y y y y y y y y y y y y y y


variable is
y . y y


Answer: productivity y


Topic: Section 1.5
y y y


Bloom's Taxonomy: Application/Analysis
y y




9) A(n) yis an abstract, simplified representation of a real system, allowing us to predict
y y y y y y y y y y y y


some behavior or response using a set of explicit assumptions.
y y y y y y y y y y


Answer: model y


Topic: Section 1.6
y y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




10) The forms the basic unit in ecology.
y y y y y y


Answer: individual
y y


Topic: Section 1.9
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




1.2 Multiple-Choice Questions y




1) The term "ecology" is defined as the study of the
y y y y y y y y y


A) environment.
B) relationships between organisms. y y


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


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


Answer: C
y y


Topic: Section 1.1
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




2) Which of the following is a cornerstone of the science of ecology?
y y y y y y y y y y y


A) Environmentalism
B) Darwin's theory of natural selection y y y y


C) Economics
D) Populations
Answer: B
y y


Topic: Section 1.1
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




3) Moisture and concentration of oxygen y y y y


A) are parts of an organism's environment.
y y y y y


B) have no effect on the physiology of an organism.
y y y y y y y y


C) are biological conditions that impact an organism's survival.
y y y y y y y


D) do not vary in the environment.
y y y y y


Answer: A
y y


Topic: Section 1.2
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




2
Copyright © 2015 Pearson Education, Inc. y y y y y

, 4) The interaction of a biotic community and its abiotic environment is referred to as a(n)
y y y y y y y y y y y y y y


A) biosphere.
B) ecosystem.
C) population.
D) biome.
Answer:
y


yB
Topic: Section 1.2
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




5) Which of the following is considered an abiotic component of the ecosystem?
y y y y y y y y y y y


A) temperature
B) microbes
C) plants
D) animals
Answer:
y


yA
Topic: Section 1.2
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




6) A biome is
y y


A) the thin layer surrounding the Earth that supports all life.
y y y y y y y y y


B) all the populations of different species living and interacting within an ecosystem.
y y y y y y y y y y y


C) a broad-scale region dominated by similar types of ecosystems.
y y y y y y y y


D) an area of land or water composed of a patchwork of communities and ecosystems.
y y y y y y y y y y y y y


Answer: C
y y


Topic: Section 1.3
y y


Bloom's Taxonomy: Knowledge/Comprehension
y y




3
Copyright © 2015 Pearson Education, Inc.
y y y y y

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