Question 1

The bones in a bird are hollow, reducing its weight for flight. This is an example of which characteristic of life?

Accepted Answer

A)  Living organisms grow and develop. 
B)  Living organisms acquire materials and energy from the environment. 
C)  Living organisms reproduce. 
D)  Living organisms adapt to their environment. 
E)  Living organisms are homeostatic. 
A)  Living organisms grow and develop. 
B)  Living organisms acquire materials and energy from the environment. 
C)  Living organisms reproduce. 
D)  Living organisms adapt to their environment. 
E)  Living organisms are homeostatic.

Question 2

A community of organisms along with the surrounding physical environment constitutes a(n)

Accepted Answer

A)  biosphere. 
B)  ecosystem. 
C)  population. 
D)  habitat. 
E)  community. 
A)  biosphere. 
B)  ecosystem. 
C)  population. 
D)  habitat. 
E)  community.

Question 3

When you are overheated, you perspire, and when you are too cold, you shiver to generate heat. Which property of life is best represented by this example?

Accepted Answer

A)  homeostasis 
B)  development 
C)  behavior 
D)  organization 
E)  adaptation 
A)  homeostasis 
B)  development 
C)  behavior 
D)  organization 
E)  adaptation

Question 4

Which of the following statements regarding the scientific method are true? Check all that apply.

Accepted Answer

A)  Deductive reasoning is used to form a hypothesis. 
B)  Observations are used to form a hypothesis. 
C)  Experiments need to be repeatable. 
D)  The control and experimental groups are identical except for one variable. 
E)  The response variable is also known as the independent variable. 
A)  Deductive reasoning is used to form a hypothesis. 
B)  Observations are used to form a hypothesis. 
C)  Experiments need to be repeatable. 
D)  The control and experimental groups are identical except for one variable. 
E)  The response variable is also known as the independent variable.

Question 5

The term "biodiversity" refers to

Accepted Answer

A)  a study of the physical, non-living components of an ecosystem. 
B)  the similarities between species. 
C)  the rate of extinction of species due to human activities. 
D)  the total number of species, variation of species, and the ecosystems in which they live. 
E)  the study of food chains within an ecosystem. 
A)  a study of the physical, non-living components of an ecosystem. 
B)  the similarities between species. 
C)  the rate of extinction of species due to human activities. 
D)  the total number of species, variation of species, and the ecosystems in which they live. 
E)  the study of food chains within an ecosystem.

Question 6

Some students consume large amounts of coffee and so-called energy drinks to help them stay alert when studying. You notice that many who engage in this practice seem to do poorly on exams. Suppose you want to investigate the relationship between caffeine consumption and exam performance. Which of the following statements would be an appropriate hypothesis?

Accepted Answer

A)  Students who consume large amounts of caffeine while studying will have lower exam scores than those who consume less caffeine. 
B)  One should avoid consuming too much caffeine while studying. 
C)  Too much caffeine is harmful to your health. 
D)  Many students consume large amounts of caffeine while studying. 
E)  Caffeine increases alertness but also increases anxiety. 
A)  Students who consume large amounts of caffeine while studying will have lower exam scores than those who consume less caffeine. 
B)  One should avoid consuming too much caffeine while studying. 
C)  Too much caffeine is harmful to your health. 
D)  Many students consume large amounts of caffeine while studying. 
E)  Caffeine increases alertness but also increases anxiety.

Question 7

While exploring a river deep in the Amazon, you discover a new protists. The protist is green and photosynthesizes. In which supergroup will your new protist be classified?

Accepted Answer

A)  SAR 
B)  Archaeplastida 
C)  Excavata 
D)  Amoebozoa 
E)  Opisthokonta 
A)  SAR 
B)  Archaeplastida 
C)  Excavata 
D)  Amoebozoa 
E)  Opisthokonta

Question 8

Which answer choice lists the steps of the scientific method in the correct order?

Accepted Answer

A)  hypothesis, observation, experiment, conclusion, data collection 
B)  conclusion, hypothesis, observation, experiment, data collection 
C)  observation, hypothesis, experiment, data collection, conclusion 
D)  observation, experiment, hypothesis, conclusion, data collection 
E)  data collection, conclusion, hypothesis, experiment, observation 
A)  hypothesis, observation, experiment, conclusion, data collection 
B)  conclusion, hypothesis, observation, experiment, data collection 
C)  observation, hypothesis, experiment, data collection, conclusion 
D)  observation, experiment, hypothesis, conclusion, data collection 
E)  data collection, conclusion, hypothesis, experiment, observation

Question 9

Which sequence of classification categories is in the proper order from least to most inclusive?

Accepted Answer

A)  genus, class, kingdom, domain, order, phylum, species, family 
B)  domain, class, genus, family, species, order, phylum, kingdom 
C)  species, genus, family, order, class, phylum, kingdom, domain 
D)  genus, species, order, class, family, kingdom, domain, phylum 
E)  species, genus, family, class, order, phylum, kingdom, domain 
A)  genus, class, kingdom, domain, order, phylum, species, family 
B)  domain, class, genus, family, species, order, phylum, kingdom 
C)  species, genus, family, order, class, phylum, kingdom, domain 
D)  genus, species, order, class, family, kingdom, domain, phylum 
E)  species, genus, family, class, order, phylum, kingdom, domain

Question 10

Which domains contain organisms that lack a membrane-bound nucleus?

Accepted Answer

A)  Archaea and Bacteria 
B)  Archaea and Eukarya 
C)  Bacteria and Eukarya 
D)  Eukarya and Animalia 
E)  Archaea and Animalia 
A)  Archaea and Bacteria 
B)  Archaea and Eukarya 
C)  Bacteria and Eukarya 
D)  Eukarya and Animalia 
E)  Archaea and Animalia

Question 11

An informed statement that can be tested in a manner suited to the processes of science is known as a

Accepted Answer

A)  hypothesis. 
B)  phenomenon. 
C)  control. 
D)  variable. 
E)  theory. 
A)  hypothesis. 
B)  phenomenon. 
C)  control. 
D)  variable. 
E)  theory.

Question 12

Technology is the

Accepted Answer

A)  application of scientific knowledge to the interests of humans. 
B)  study of living organisms. 
C)  study of the interactions between living organisms and their environment. 
D)  application of common knowledge for a practical purpose. 
E)  application of laws to benefit society. 
A)  application of scientific knowledge to the interests of humans. 
B)  study of living organisms. 
C)  study of the interactions between living organisms and their environment. 
D)  application of common knowledge for a practical purpose. 
E)  application of laws to benefit society.

Question 13

Which of these is an example of inductive reasoning used to form a hypothesis?

Accepted Answer

A)  Every fungus that has ever been studied absorbs its food; therefore, food absorption is characteristic of fungi. 
B)  All fungi absorb their food; if mushrooms are fungi, then the mushroom absorbs its food. 
C)  A mushroom is classified in the kingdom Fungi of the domain Eukarya. 
D)  The cell from a mushroom has a nucleus. 
E)  Fungi are not capable of photosynthesis. 
A)  Every fungus that has ever been studied absorbs its food; therefore, food absorption is characteristic of fungi. 
B)  All fungi absorb their food; if mushrooms are fungi, then the mushroom absorbs its food. 
C)  A mushroom is classified in the kingdom Fungi of the domain Eukarya. 
D)  The cell from a mushroom has a nucleus. 
E)  Fungi are not capable of photosynthesis.

Question 14

When researchers test a new human cancer drug using mice, the mice constitute the

Accepted Answer

A)  hypothesis. 
B)  data. 
C)  experimental design. 
D)  model. 
E)  control. 
A)  hypothesis. 
B)  data. 
C)  experimental design. 
D)  model. 
E)  control.

Question 15

If a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude?

Accepted Answer

A)  If the drug was effective in a large number of mice, it will therefore be effective in humans. 
B)  If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans. 
C)  The mice have provided a positive control in this experiment that proves the drug is effective in humans. 
D)  The drug is effective in the mouse model; it must still be tested in humans. 
E)  The effect of the drug on mice has no bearing on the effect of the drug on humans. 
A)  If the drug was effective in a large number of mice, it will therefore be effective in humans. 
B)  If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans. 
C)  The mice have provided a positive control in this experiment that proves the drug is effective in humans. 
D)  The drug is effective in the mouse model; it must still be tested in humans. 
E)  The effect of the drug on mice has no bearing on the effect of the drug on humans.

Question 16

Which of the following is one of the domains of life?

Accepted Answer

A)  Animalia 
B)  Eukarya 
C)  Plantae 
D)  Protista 
E)  Fungi 
A)  Animalia 
B)  Eukarya 
C)  Plantae 
D)  Protista 
E)  Fungi

Question 17

You are conducting an experiment to determine which brand of fertilizer results in the greatest amount of fruit production by tomato plants. In this example, the response variable would be the

Accepted Answer

A)  brand of fertilizer. 
B)  unfertilized tomato plants. 
C)  fertilized tomato plants. 
D)  amount of fruit produced by the tomato plants. 
E)  variety of tomato plants. 
A)  brand of fertilizer. 
B)  unfertilized tomato plants. 
C)  fertilized tomato plants. 
D)  amount of fruit produced by the tomato plants. 
E)  variety of tomato plants.

Question 18

You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria. In this example, the concentration of disinfectant would represent the

Accepted Answer

A)  control. 
B)  experimental variable. 
C)  response variable. 
D)  data. 
E)  hypothesis. 
A)  control. 
B)  experimental variable. 
C)  response variable. 
D)  data. 
E)  hypothesis.

Exam 1: The Study of Life

The bones in a bird are hollow, reducing its weight for flight. This is an example of which characteristic of life?

A community of organisms along with the surrounding physical environment constitutes a(n)

When you are overheated, you perspire, and when you are too cold, you shiver to generate heat. Which property of life is best represented by this example?

Which of the following statements regarding the scientific method are true? Check all that apply.

The term "biodiversity" refers to

While exploring a river deep in the Amazon, you discover a new protists. The protist is green and photosynthesizes. In which supergroup will your new protist be classified?

Which answer choice lists the steps of the scientific method in the correct order?

Which sequence of classification categories is in the proper order from least to most inclusive?

Which domains contain organisms that lack a membrane-bound nucleus?

An informed statement that can be tested in a manner suited to the processes of science is known as a

Technology is the

Which of these is an example of inductive reasoning used to form a hypothesis?

When researchers test a new human cancer drug using mice, the mice constitute the

If a new anti-cancer drug is found to be effective in initial tests with mice, what might researchers conclude?

Which of the following is one of the domains of life?

You are conducting an experiment to determine which brand of fertilizer results in the greatest amount of fruit production by tomato plants. In this example, the response variable would be the

You are conducting an experiment to determine what concentration of disinfectant is most effective in killing bacteria. In this example, the concentration of disinfectant would represent the

The Molecules of Cells

Cell Structure and Function

Membrane Structure and Function

Cell Division

Metabolism: Energy and Enzymes

Cellular Respiration

Photosynthesis

Plant Organization and Function

Plant Reproduction and Responses

Human Organization

Cardiovascular System

Lymphatic and Immune Systems

Digestive System and Nutrition

Respiratory System

Urinary System and Excretion

Nervous System

Senses

Musculoskeletal System

Endocrine System

Reproductive System

Development and Aging

Patterns of Gene Inheritance

Chromosomal Basis of Inheritance

Dna Structure and Gene Expression

Biotechnology and Genomics

Evolution of Life

Microbiology

Protists and Fungi

Plants

Animals: the Invertebrates

Animals: Chordates and Vertebrates

Behavioral Ecology

Population and Community Ecology

Nature of Ecosystems

Major Ecosystems of the Biosphere

Conservation Biology

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