Question 1

When you conduct research at a community level,you are generally interested in which major biological theme?

Accepted Answer

A) Life requires energy transfer and transformation. 
B) Structure and function are correlated at all levels of biological organization. 
C) Organisms interact with other organisms and the physical environment. 
D) New properties emerge at each level in the biological hierarchy. 
E) Evolution accounts for the unity of diversity of life. 
A) Life requires energy transfer and transformation. 
B) Structure and function are correlated at all levels of biological organization. 
C) Organisms interact with other organisms and the physical environment. 
D) New properties emerge at each level in the biological hierarchy. 
E) Evolution accounts for the unity of diversity of life.

Question 2

To understand the chemical basis of inheritance,we must understand the molecular structure of DNA.This is an example of the application of which concept to the study of biology?

Accepted Answer

A) evolution 
B) emergent properties 
C) reductionism 
D) the cell theory 
E) feedback regulation 
A) evolution 
B) emergent properties 
C) reductionism 
D) the cell theory 
E) feedback regulation

Question 3

Use the following information to answer the questions below.
  
-How do we know that Figure A is an eukaryote?

Accepted Answer

A) It has no defined nucleus. 
B) A membrane surrounds it completely. 
C) Internal membrane-bound structures are visible. 
D) It is larger than B. 
E) It is not perfectly smooth. 
A) It has no defined nucleus. 
B) A membrane surrounds it completely. 
C) Internal membrane-bound structures are visible. 
D) It is larger than B. 
E) It is not perfectly smooth.

Question 4

What does Darwin's proposed mechanism of natural selection require?

Accepted Answer

A) The environments must vary for natural selection to occur. 
B) The species' environments selects for certain traits. 
C) The environment increases the variation in a species. 
D) Natural selection requires equal reproductive success of individuals with different traits. 
E) Individuals with new traits always survive for a shorter period of time. 
A) The environments must vary for natural selection to occur. 
B) The species' environments selects for certain traits. 
C) The environment increases the variation in a species. 
D) Natural selection requires equal reproductive success of individuals with different traits. 
E) Individuals with new traits always survive for a shorter period of time.

Question 5

Global warming,as demonstrated by observations such as melting of glaciers,increasing CO₂ levels,and increasing average ambient temperatures,has already had many effects on living organisms.Which of the following might best offer a solution to this problem?

Accepted Answer

A) Continue to measure these and other parameters of the problem. 
B) Increase the abilities of animals to migrate to more suitable habitats. 
C) Do nothing; nature will attain its own balance. 
D) Limit the burning of fossil fuels and regulate our loss of forested areas. 
E) Recycle as much as possible. 
A) Continue to measure these and other parameters of the problem. 
B) Increase the abilities of animals to migrate to more suitable habitats. 
C) Do nothing; nature will attain its own balance. 
D) Limit the burning of fossil fuels and regulate our loss of forested areas. 
E) Recycle as much as possible.

Question 6

Which of the following types of cells utilize deoxyribonucleic acid (DNA)as their genetic material but do not have their DNA encased within a nucleus?

Accepted Answer

A) animal 
B) plant 
C) archaea 
D) fungi 
E) protists 
A) animal 
B) plant 
C) archaea 
D) fungi 
E) protists

Question 7

Which of the following is the best description of a control for an experiment?

Accepted Answer

A) The control group is kept in an unchanging environment. 
B) The control is left alone by the experimenters. 
C) The control group is matched with the experimental group except for the one experimental variable. 
D) The control group is exposed to only one variable rather than several. 
E) Only the experimental group is tested or measured. 
A) The control group is kept in an unchanging environment. 
B) The control is left alone by the experimenters. 
C) The control group is matched with the experimental group except for the one experimental variable. 
D) The control group is exposed to only one variable rather than several. 
E) Only the experimental group is tested or measured.

Question 8

Which of the following categories of organisms is least likely to be revised?

Accepted Answer

A) kingdom 
B) class 
C) order 
D) phylum 
E) species 
A) kingdom 
B) class 
C) order 
D) phylum 
E) species

Question 9

Which of the following describes a controlled experiment?

Accepted Answer

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. 
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.

Question 10

Which of the following describes the application of scientific knowledge for some specific purpose?

Accepted Answer

A) technology 
B) deductive science 
C) inductive science 
D) anthropologic science 
E) pure science 
A) technology 
B) deductive science 
C) inductive science 
D) anthropologic science 
E) pure science

Question 11

Which of the following is a correct sequence of levels in life's hierarchy,proceeding downward from an individual animal?

Accepted Answer

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 
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

Question 12

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?

Accepted Answer

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

Question 13

Use the following information to answer the questions below.
  
-Which of the following best describes all the living things in a particular area?

Accepted Answer

A) population 
B) community 
C) biosphere 
D) ecosystem 
E) organisms 
A) population 
B) community 
C) biosphere 
D) ecosystem 
E) organisms

Question 14

What is a localized group of organisms that belong to the same species called?

Accepted Answer

A) biosystem 
B) community 
C) population 
D) ecosystem 
E) family 
A) biosystem 
B) community 
C) population 
D) ecosystem 
E) family

Question 15

The plant you chose has never been studied before.Perhaps you could have chosen a plant that many researchers are working on so that you could use and add to the body of knowledge about that organism.What is this type of species known as?

Accepted Answer

A) common research organism 
B) model organism 
C) logical organism; competition 
D) shared species 
E) modified organism 
A) common research organism 
B) model organism 
C) logical organism; competition 
D) shared species 
E) modified organism

Question 16

In comparison to eukaryotes,prokaryotes are considered which of the following?

Accepted Answer

A) more structurally complex 
B) larger 
C) do not have membranes 
D) have more organelles 
E) are smaller 
A) more structurally complex 
B) larger 
C) do not have membranes 
D) have more organelles 
E) are smaller

Question 17

Which of the following is true for a controlled experiment?

Accepted Answer

A) It proceeds slowly enough that a scientist can make careful records of the results. 
B) It tests experimental and control groups in parallel. 
C) It is repeated many times to make sure the results are accurate. 
D) It keeps all variables constant. 
E) It is supervised by an experienced scientist. 
A) It proceeds slowly enough that a scientist can make careful records of the results. 
B) It tests experimental and control groups in parallel. 
C) It is repeated many times to make sure the results are accurate. 
D) It keeps all variables constant. 
E) It is supervised by an experienced scientist.

Question 18

Why is Darwin considered original in his thinking?

Accepted Answer

A) He provided examples of organisms that had evolved over time. 
B) He demonstrated that evolution is continuing to occur now. 
C) He described the relationship between genes and evolution. 
D) He proposed the mechanism that explained how evolution takes place. 
E) He observed that organisms produce large numbers of offspring. 
A) He provided examples of organisms that had evolved over time. 
B) He demonstrated that evolution is continuing to occur now. 
C) He described the relationship between genes and evolution. 
D) He proposed the mechanism that explained how evolution takes place. 
E) He observed that organisms produce large numbers of offspring.

Question 19

Darwin's finches,collected from the Galápagos Islands,illustrate which of the following?

Accepted Answer

A) mutation frequency 
B) ancestors from different regions 
C) adaptive radiation 
D) vestigial anatomic structures 
E) the accuracy of the fossil record 
A) mutation frequency 
B) ancestors from different regions 
C) adaptive radiation 
D) vestigial anatomic structures 
E) the accuracy of the fossil record

Question 20

Use the following information to answer the questions below.
You are studying photosynthesis and its overall function and purpose.You choose to use several aquatic plants of the same species and divide them into two tanks.One tank is under a low light regime and the other a high light regime.You grow them in these conditions for several weeks and make observations.
-After several weeks you notice that the plants in high light are larger (grew more)and there are more air bubbles in the tank than in the low light tank.Which of the following is the most logical conclusion?

Accepted Answer

A) More air in the tank has helped the plants to grow. 
B) The difference in light must have an influence on growth. 
C) You didn't do the study properly and put larger plants in one tank. 
D) Something in the low light tank must be stopping growth. 
E) You need to do more research to fully understand what could be happening. 
A) More air in the tank has helped the plants to grow. 
B) The difference in light must have an influence on growth. 
C) You didn't do the study properly and put larger plants in one tank. 
D) Something in the low light tank must be stopping growth. 
E) You need to do more research to fully understand what could be happening.

Exam 1: Introduction: Evolution and Themes of Biology

When you conduct research at a community level,you are generally interested in which major biological theme?

To understand the chemical basis of inheritance,we must understand the molecular structure of DNA.This is an example of the application of which concept to the study of biology?

Use the following information to answer the questions below. -How do we know that Figure A is an eukaryote?

What does Darwin's proposed mechanism of natural selection require?

Global warming,as demonstrated by observations such as melting of glaciers,increasing CO₂ levels,and increasing average ambient temperatures,has already had many effects on living organisms.Which of the following might best offer a solution to this problem?

Which of the following types of cells utilize deoxyribonucleic acid (DNA)as their genetic material but do not have their DNA encased within a nucleus?

Which of the following is the best description of a control for an experiment?

Which of the following categories of organisms is least likely to be revised?

Which of the following describes a controlled experiment?

Which of the following describes the application of scientific knowledge for some specific purpose?

Which of the following is a correct sequence of levels in life's hierarchy,proceeding downward from an individual animal?

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?

Use the following information to answer the questions below. -Which of the following best describes all the living things in a particular area?

What is a localized group of organisms that belong to the same species called?

The plant you chose has never been studied before.Perhaps you could have chosen a plant that many researchers are working on so that you could use and add to the body of knowledge about that organism.What is this type of species known as?

In comparison to eukaryotes,prokaryotes are considered which of the following?

Which of the following is true for a controlled experiment?

Why is Darwin considered original in his thinking?

Darwin's finches,collected from the Galápagos Islands,illustrate which of the following?

The Chemical Context of Life

Water and Life

Carbon and the Molecular Diversity of Life

The Structure and Function of Large Biological Molecules

A Tour of the Cell

Membrane Structure and Function

An Introduction to Metabolism

Cellular Respiration and Fermentation

Photosynthesis

Cell Communication

The Cell Cycle

Meiosis and Sexual Life Cycles

Mendel and the Gene Idea

The Chromosomal Basis of Inheritance

The Molecular Basis of Inheritance

From Gene to Protein

Regulation of Gene Expression

Viruses

DNA Tools and Biotechnology

Genomes and Their Evolution

Descent with Modification: A Darwinian View of Life

The Evolution of Populations

The Origin of Species

The History of Life on Earth

Phylogeny and the Tree of Life

Bacteria and Archaea

Protists

Plant Diversity I: How Plants Colonized Land

Plant Diversity II: The Evolution of Seed Plants

Fungi

An Overview of Animal Diversity

An Introduction to Invertebrates

The Origin and Evolution of Vertebrates

Plant Structure,Growth,and Development

Resource Acquisition and Transport in Vascular Plants

Soil and Plant Nutrition

Angiosperm Reproduction and Biotechnology

Plant Responses to Internal and External Signals

Basic Principles of Animal Form and Function

Animal Nutrition

Circulation and Gas Exchange

The Immune System

Osmoregulation and Excretion

Hormones and the Endocrine System

Animal Reproduction

Animal Development

Neurons,Synapses,and Signalling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behaviour

An Introduction to Ecology and the Biosphere

Population Ecology

Community Ecology

Ecosystems and Restoration Ecology

Conservation Biology and Global Change

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