Test Bank For Biology, 8th Edition

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Biology, 8e (Campbell)
Chapter 1
Introduction: Themes in the Study of Life
Multiple-Choice Questions
1) Which of the following properties or processes do we associate with living things?
A) evolutionary adaptations
B) energy processing
C) responding to the environment
D) growth and reproduction
E) all of the above
Answer: E
Topic: Overview
Skill: Knowledge/Application
2) Which of the following is not a theme that unifies biology?
A) interaction with the environment
B) emergent properties
C) evolution
D) reductionism
E) structure and function
Answer: D
Topic: Concept 1.1
Skill: Knowledge/Application
3) Which of the following sequences represents the hierarchy of biological organization from the
least to the most complex level?
A) organelle, tissue, biosphere, ecosystem, population, organism
B) cell, community, population, organ system, molecule, organelle
C) organism, community, biosphere, molecule, tissue, organ
D) ecosystem, cell, population, tissue, organism, organ system
E) molecule, cell, organ system, population, ecosystem, biosphere
Answer: E
Topic: Concept 1.1
Skill: Knowledge/Application
4) A localized group of organisms that belong to the same species is called a
A) biosystem.
B) community.
C) population.
D) ecosystem.
E) family.

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Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
5) Which of the following is a false statement regarding DNA?
A) Each chromosome has one very long DNA molecule with hundreds of thousands of genes.
B) Every cell is enclosed by a membrane.
C) Every cell uses DNA as its genetic information.
D) All forms of life are composed of cells that have a membrane-enclosed nucleus.
E) DNA is the unit of inheritance that is transmitted from parent to offspring.
Answer: D
Topic: Concept 1.1
Skill: Knowledge/Application
6) In terms of the hierarchical organization of life, a bacterium is at the __________ level of
organization, whereas a human is at the __________ level of organization.
A) single-celled organism; multicellular organism
B) single organelle; organism
C) organelle; organ system
D) single tissue; multicellular organism
E) tissue; organism
Answer: A
Topic: Concept 1.1
Skill: Knowledge/Application
7) Which of these is a correct representation of the hierarchy of biological organization from
least to most complex?
A) organelle of a stomach cell, digestive system, large intestine, small intestine, intestinal tissue,
organism
B) organelle of an intestinal cell, digestive system, small intestine, large intestine, intestinal
tissue, organism
C) molecule, intestinal cell organelle, intestinal cell, intestinal tissue, digestive system, organism
D) molecule, small intestine, large intestine, intestinal tissue, digestive system, organism
E) molecule, digestive system, digestive cell organelle, small intestine, large intestine, intestinal
cell, organism
Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
8) Organisms interact with their environments, exchanging matter and energy. For example,
plant chloroplasts convert the energy of sunlight into
A) the energy of motion.
B) carbon dioxide and water.
C) the potential energy of chemical bonds.
D) oxygen.
E) kinetic energy.

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Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
9) The main source of energy for producers in an ecosystem is
A) light energy.
B) kinetic energy.
C) thermal energy.
D) chemical energy.
E) ATP.
Answer: A
Topic: Concept 1.1
Skill: Knowledge/Application
10) The dynamics of any ecosystem include the following major processes:
A) the flow of energy from sunlight to producers
B) the flow of energy from sunlight to producers and then to consumers
C) the recycling of chemical nutrients
D) the flow of energy to producers and the recycling of nutrients
E) the flow of energy from sunlight to producers and then to consumers, and the recycling of
chemical nutrients.
Answer: E
Topic: Concept 1.1
Skill: Knowledge/Application
11) For most ecosystems __________ is (are) the ultimate source of energy, and energy leaves
the ecosystem in the form of __________.
A) sunlight; heat
B) heat; light
C) plants; animals
D) plants; heat
E) producers; consumers
Answer: A
Topic: Concept 1.1
Skill: Knowledge/Application

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12) The illustration above represents
A) a computer simulation of the structure of a eukaryotic cell.
B) a map of a network of protein interactions within a eukaryotic cell.
C) an inventory of all the genes in a fruit fly.
D) an X-ray diffraction image of the nucleus and cytoplasm of a eukaryotic cell.
E) a computer generated map of the interaction of genes and cytoplasm in a prokaryotic cell.
Answer: B
Topic: Concept 1.1
Skill: Knowledge/Application
13) The lowest level of biological organization that can perform all the activities required for life
is the
A) organelle–for example, a chloroplast.
B) cell–for example, a skin cell.
C) tissue–for example, nervous tissue.
D) organ system–for example, the reproductive system.
E) organism–for example, an amoeba, dog, human, or maple tree.
Answer: B
Topic: Concept 1.1
Skill: Knowledge/Application
14) Which of the following is a false statement regarding deoxyribonucleic acid (DNA)?
A) Each deoxyribonucleic acid molecule is composed of two long chains of nucleotides arranged
in a double helix.
B) Genes are composed of deoxyribonucleic acid.
C) DNA is composed of chemical building blocks called nucleotides.

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D) DNA is a code for the sequence of amino acids in a protein.
E) DNA is an enzyme that puts together amino acids to make a protein.
Answer: E
Topic: Concept 1.1
Skill: Knowledge/Application
15) Which of the following types of cells utilize deoxyribonucleic acid (DNA) as their genetic
material but do not have their DNA encased within a nuclear envelope?
A) animal
B) plant
C) archaea
D) fungi
E) protists
Answer: C
Topic: Concept 1.1
Skill: Application/Analysis
16) Which of the following statements concerning prokaryotic and eukaryotic cells is not
correct?
A) Prokaryotic cells lack a membrane-bound nucleus.
B) Prokaryotic cells contain small membrane-enclosed organelles.
C) Eukaryotic cells contain a membrane-bound nucleus.
D) DNA, or deoxyribonucleic acid, is present in both prokaryotic cells and eukaryotic cells.
E) DNA or deoxyribonucleic acid is present in the nucleus of eukaryotic cells.
Answer: B
Topic: Concept 1.1
Skill: Knowledge/Application
17) Which of the following is reflective of the phrase "the whole is greater than the sum of its
parts"?
A) high-throughput technology
B) emergent properties
C) natural selection
D) reductionism
E) feedback regulations
Answer: B
Topic: Concept 1.1
Skill: Knowledge/Application
18) In order to understand the chemical basis of inheritance, one must understand the molecular
structure of DNA. This is an example of the application of __________ to the study of biology.
A) evolution
B) emergent properties
C) reductionism

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D) the cell theory
E) feedback regulation
Answer: C
Topic: Concept 1.1
Skill: Application/Analysis
19) A type of protein critical to all cells is organic catalysts called
A) feedback activators.
B) feedback inhibitors.
C) enzymes.
D) metabolites.
E) nutrients.
Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
20) Once labor begins in childbirth, contractions increase in intensity and frequency until
delivery. The increasing labor contractions of childbirth are an example of
A) a bioinformatic system.
B) positive feedback.
C) negative feedback.
D) feedback inhibition.
E) enzymatic catalysis.
Answer: B
Topic: Concept 1.1
Skill: Application/Analysis
21) When blood glucose level rises, the pancreas secretes insulin, and as a result blood glucose
level declines. When blood glucose level is low, the pancreas secretes glucagon, and as a result
blood glucose level rises. Such regulation of blood glucose level is the result of
A) catalytic feedback.
B) positive feedback.
C) negative feedback.
D) bioinformatic regulation.
E) protein-protein interactions.
Answer: C
Topic: Concept 1.1
Skill: Application/Analysis
22) Life is diverse. How many species are estimated to be presently on the earth?
A) 1,800
B) 180,000
C) 1,800,000
D) 18,000,000

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E) 180,000,000
Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
23) Which branch of biology is concerned with the naming and classifying of organisms?
A) informatics
B) schematic biology
C) taxonomy
D) genomics
E) evolution
Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
24) Prokaryotic and eukaryotic cells generally have which of the following features in common?
A) a membrane-bounded nucleus
B) a cell wall made of cellulose
C) ribosomes
D) flagella or cilia that contain microtubules
E) linear chromosomes made of DNA and protein
Answer: C
Topic: Concept 1.1
Skill: Knowledge/Application
25) Prokaryotes are classified as belonging to two different domains. What are the domains?
A) Bacteria and Eukarya
B) Archaea and Monera
C) Eukarya and Monera
D) Bacteria and Protista
E) Bacteria and Archaea
Answer: E
Topic: Concept 1.1
Skill: Knowledge/Application
26) Species that are in the same __________ are more closely related than species that are only
in the same __________.
A) phylum; class
B) family; order
C) class; order
D) family; genus
E) kingdom; phylum
Answer: B

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Topic: Concept 1.2
Skill: Application/Analysis
27) Two species that belong to the same genus must also belong to the same
A) kingdom.
B) phylum.
C) class.
D) order.
E) all of the above
Answer: E
Topic: Concept 1.2
Skill: Application/Analysis
28) Which of these is reflective of the hierarchical organization of life from most to least
inclusive?
A) kingdom, order, family, phylum, class, genus, species
B) phylum, class, order, kingdom, family, genus, species
C) kingdom, phylum, class, order, family, genus, species
D) genus, species, kingdom, phylum, class, order, family
E) class, order, kingdom, phylum, family, genus, species
Answer: C
Topic: Concept 1.2
Skill: Knowledge/Application
29) A water sample from a hot thermal vent contained a single-celled organism that had a cell
wall but lacked a nucleus. What is its most likely classification?
A) Eukarya
B) Archaea
C) Animalia
D) Protista
E) Fungi
Answer: B
Topic: Concept 1.2
Skill: Application/Analysis
30) A filamentous organism has been isolated from decomposing organic matter. This organism
has a cell wall but no chloroplasts. How would you classify this organism?
A) domain Bacteria, kingdom Prokaryota
B) domain Archaea, kingdom Bacteria
C) domain Eukarya, kingdom Plantae
D) domain Eukarya, kingdom Protista
E) domain Eukarya, kingdom Fungi
Answer: E
Topic: Concept 1.2

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Skill: Application/Analysis
31) Which of these provides evidence of the common ancestry of all life?
A) the ubiquitous use of catalysts by living systems
B) the universality of the genetic code
C) the structure of the nucleus
D) the structure of cilia
E) the structure of chloroplasts
Answer: B
Topic: Concept 1.2
Skill: Application/Analysis
32) Which of the following is (are) true of natural selection?
A) requires genetic variation
B) results in descent with modification
C) involves differential reproductive success
D) B and C only
E) A, B, and C
Answer: E
Topic: Concept 1.2
Skill: Knowledge/Application
33) Charles Darwin proposed a mechanism for descent with modification which stated that
organisms of a particular species are adapted to their environment when they possess
A) non-inheritable traits that enhance their survival in the local environment.
B) non-inheritable traits that enhance their reproductive success in the local environment.
C) non-inheritable traits that enhance their survival and reproductive success in the local
environment.
D) inheritable traits that enhance their survival and reproductive success in the local
environment.
E) inheritable traits that decrease their survival and reproductive success in the local
environment.
Answer: D
Topic: Concept 1.2
Skill: Application/Analysis
34) All of the following statements are part of Charles Darwin's concept of natural selection
except
A) Slight inheritable variations within a population may make an individual significantly more or
less likely to survive in its environment, and thus to reproduce.
B) Every organism has the potential to produce more offspring than the local environment can
support.
C) Characteristics of organisms are inherited as genes on chromosomes.
D) Better adapted members of a species will survive and reproduce more successfully.
E) Most individuals in a species do not survive to reproduce.

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Answer: C
Topic: Concept 1.2
Skill: Application/Analysis
35) Which of these individuals is most likely to be successful in an evolutionary sense?
A) a reproductively sterile individual who never falls ill
B) an organism that dies after 5 days of life but leaves 10 offspring, all of whom survive to
reproduce
C) a male who mates with 20 females and fathers 1 offspring
D) an organism that lives 100 years and leaves 2 offspring, both of whom survive to reproduce
E) a female who mates with 20 males and produces 1 offspring
Answer: B
Topic: Concept 1.2
Skill: Application/Analysis
36) In a hypothetical world, every 50 years people over 6 feet tall are eliminated from the
population. Based on your knowledge of natural selection, you would predict that the average
height of the human population will
A) remain unchanged.
B) gradually decline.
C) rapidly decline.
D) gradually increase.
E) rapidly increase.
Answer: B
Topic: Concept 1.2
Skill: Application/Analysis
37) Through time, the lineage that led to modern whales shows a change from four-limbed land
animals to aquatic animals with two limbs that function as flippers. This change is best explained
by
A) natural philosophy.
B) creationism.
C) the hierarchy of the biological organization of life.
D) natural selection.
E) feedback inhibition.
Answer: D
Topic: Concept 1.2
Skill: Application/Analysis
38) Evolution is biology's core theme that ties together all the other themes. This is because
evolution explains
A) the unity and diversity of life.
B) how organisms become adapted to their environment through the differential reproductive
success of varying individuals.

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C) why distantly related organisms sometimes resemble each other.
D) explains why some organisms have traits in common.
E) all of the above
Answer: E
Topic: Concept 1.2
Skill: Application/Analysis
39) The method of scientific inquiry that describes natural structures and processes as accurately
as possible through careful observation and the analysis of data is known as
A) hypothesis-based science.
B) discovery science.
C) experimental science.
D) quantitative science.
E) qualitative science.
Answer: B
Topic: Concept 1.3
Skill: Knowledge/Application
40) Collecting data based on observation is an example of __________; analyzing this data to
reach a conclusion is an example of __________ reasoning.
A) hypothesis-based science; inductive
B) the process of science; deductive
C) discovery science; inductive
D) descriptive science; deductive
E) hypothesis-based science; deductive
Answer: C
Topic: Concept 1.3
Skill: Application/Analysis
41) What is a hypothesis?
A) the same thing as an unproven theory
B) a tentative explanation that can be tested and is falsifiable
C) a verifiable observation sensed directly, or sensed indirectly with the aid of scientific
instrumentation
D) a fact based on qualitative data that is testable
E) a fact based on quantitative data that is falsifiable
Answer: B
Topic: Concept 1.3
Skill: Knowledge/Application
42) Which of these is based on a deduction?
A) My car won't start.
B) My car's battery is dead.
C) My car is out of gas.

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D) I lost my car key.
E) If I turn the key in the ignition while stepping on the gas pedal, then my car will start.
Answer: E
Topic: Concept 1.3
Skill: Application/Analysis
43) When applying the process of science, which of these is tested?
A) a question
B) a result
C) an observation
D) a prediction
E) a hypothesis
Answer: D
Topic: Concept 1.3
Skill: Application/Analysis
44) A controlled experiment is one in which
A) the experiment is repeated many times to ensure that the results are accurate.
B) the experiment proceeds at a slow pace to guarantee that the scientist can carefully observe all
reactions and process all experimental data.
C) there are at least two groups, one of which does not receive the experimental treatment.
D) there are at least two groups, one differing from the other by two or more variables.
E) there is one group for which the scientist controls all variables.
Answer: C
Topic: Concept 1.3
Skill: Application/Analysis
45) Why is it important that an experiment include a control group?
A) The control group is the group that the researcher is in control of; it is the group in which the
researcher predetermines the nature of the results.
B) The control group provides a reserve of experimental subjects.
C) A control group is required for the development of an "if, then" statement.
D) A control group assures that an experiment will be repeatable.
E) Without a control group, there is no basis for knowing if a particular result is due to the
variable being tested or to some other factor.
Answer: E
Topic: Concept 1.3
Skill: Application/Analysis
46) The application of scientific knowledge for some specific purpose is known as
A) technology.
B) deductive science.
C) inductive science.
D) anthropologic science.

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E) pure science.
Answer: A
Topic: Concept 1.3
Skill: Knowledge/Comprehension
True/False Questions
47) A common form of regulation in which accumulation of an end product of a process slows
that process is called positive feedback.
Answer: FALSE
Topic: Concept 1.1
Skill: Application/Analysis
48) Charles Darwin presented verifiable evidence that supported the view that life can arise by
spontaneous generation.
Answer: FALSE
Topic: Concept 1.2
Skill: Application/Analysis
49) Recent evidence points to the conclusion that the ancestral finches of the Galapagos
originated in the islands of the Caribbean.
Answer: TRUE
Topic: Concept 1.2
Skill: Application/Analysis
50) Discovery science uses inductive reasoning to derive generalizations from a large number of
specific observations.
Answer: TRUE
Topic: Concept 1.3
Skill: Application/Analysis
51) In hypothesis-based science, deductive reasoning is used to predict a result that would be
found if a particular hypothesis is correct.
Answer: TRUE
Topic: Concept 1.3
Skill: Application/Analysis
52) Discovery science has contributed much to our understanding of nature without most of the
steps of the so-called scientific method.
Answer: TRUE
Topic: Concept 1.3

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Skill: Application/Analysis
53) Science requires that hypothesis be testable and falsifiable and that observations be
repeatable.
Answer: TRUE
Topic: Concept 1.3
Skill: Application/Analysis
54) A theory in science is equivalent in scope to a well-structured hypothesis.
Answer: FALSE
Topic: Concept 1.3
Skill: Application/Analysis
55) The goal of systems biology is to construct models to predict the emergent properties of
cells.
Answer: FALSE
Topic: Concept 1.3
Skill: Application/Analysis
Self-Quiz Questions
1) All the organisms on your campus make up
A) an ecosystem.
B) a community.
C) a population.
D) an experimental group.
E) a taxonomic domain.
Answer: B
2) Which of the following is a correct sequence of levels in life's hierarchy, proceeding
downward from an individual animal?
A) brain, organ system, nerve cell, nervous tissue
B) organ system, nervous tissue, brain
C) organism, organ system, tissue, cell, organ
D) nervous system, brain, nervous tissue, nerve cell
E) organ system, tissue, molecule, cell
Answer: D
3) Which of the following is not an observation or inference on which Darwin's theory of natural
selection is based?
A) Poorly adapted individuals never produce offspring.
B) There is heritable variation among individuals.
C) Because of overproduction of offspring, there is competition for limited resources.

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D) Individuals whose inherited characteristics best fit them to the environment will generally
produce more offspring.
E) A population can become adapted to its environment.
Answer: A
4) Systems biology is mainly an attempt to
A) understand the integration of all levels of biological organization from molecules to the
biosphere.
B) simplify complex problems by reducing the system into smaller, less complex units.
C) construct models of the behavior of entire biological systems.
D) build high-throughput machines for the rapid acquisition of biological data.
E) speed up the technological application of scientific knowledge.
Answer: C
5) Protists and bacteria are grouped into different domains because
A) protists eat bacteria.
B) bacteria are not made of cells.
C) protists have a membrane-bounded nucleus, which bacterial cells lack.
D) bacteria decompose protists.
E) protists are photosynthetic.
Answer: C
6) Which of the following best demonstrates the unity among all organisms?
A) matching DNA nucleotide sequences
B) descent with modification
C) the structure and function of DNA
D) natural selection
E) emergent properties
Answer: C
7) Which of the following is an example of qualitative data?
A) The temperature decreased from 20°C to 15°C.
B) The plant's height is 25 centimeters (cm).
C) The fish swam in a zig-zag motion.
D) The six pairs of robins hatched an average of three chicks.
E) The contents of the stomach are mixed every 20 seconds.
Answer: C
8) Which of the following best describes the logic of hypothesis-based science?
A) If I generate a testable hypothesis, tests and observations will support it.
B) If my prediction is correct, it will lead to a testable hypothesis.
C) If my observations are accurate, they will support my hypothesis.
D) If my hypothesis is correct, I can expect certain test results.

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