Question 1

The term "anthropogenic" refers to

Accepted Answer

A)  human-caused fires. 
B)  the study of insects. 
C)  human-generated effects upon the environment. 
D)  the study of human biology. 
E)  the study of agriculture. 
A)  human-caused fires. 
B)  the study of insects. 
C)  human-generated effects upon the environment. 
D)  the study of human biology. 
E)  the study of agriculture.

Question 2

The organisms that produced the oxygen gas in Earth's early atmosphere were

Accepted Answer

A)  anaerobic eukaryotes. 
B)  aerobic eukaryotes. 
C)  photosynthetic prokaryotes. 
D)  aerobic prokaryotes. 
E)  completely unlike modern organisms. 
A)  anaerobic eukaryotes. 
B)  aerobic eukaryotes. 
C)  photosynthetic prokaryotes. 
D)  aerobic prokaryotes. 
E)  completely unlike modern organisms.

Question 3

_______ are the basic structural and physiological units of living organisms.

Accepted Answer

The answer of _______ are the basic structural and physiological...

Question 4

In terms of increasing complexity, the order of parts of a multicellular animal is

Accepted Answer

A)  cell, macromolecule, tissue, organ, organ system. 
B)  molecule, cell, tissue, organ, organ system. 
C)  tissue, cell, molecule, organ system, organ. 
D)  molecule, tissue, cell, organ, organ system. 
E)  tissue, molecule, cell, organ, organ system. 
A)  cell, macromolecule, tissue, organ, organ system. 
B)  molecule, cell, tissue, organ, organ system. 
C)  tissue, cell, molecule, organ system, organ. 
D)  molecule, tissue, cell, organ, organ system. 
E)  tissue, molecule, cell, organ, organ system.

Question 5

Metabolism is

Accepted Answer

A)  the consumption of energy. 
B)  the release of energy. 
C)  all chemical transformations in a cell or organism. 
D)  the production of heat by chemical reactions. 
E)  the exchange of nutrients and waste products with the environment. 
A)  the consumption of energy. 
B)  the release of energy. 
C)  all chemical transformations in a cell or organism. 
D)  the production of heat by chemical reactions. 
E)  the exchange of nutrients and waste products with the environment.

Question 6

Which scientific field is providing us with knowledge that will help in the control of possible future tuberculosis epidemics?

Accepted Answer

A)  Fungal bioinformatics 
B)  Agricultural biology 
C)  Plant genomics 
D)  Marine ecology 
E)  Molecular biology 
A)  Fungal bioinformatics 
B)  Agricultural biology 
C)  Plant genomics 
D)  Marine ecology 
E)  Molecular biology

Question 7

Biologists can now isolate genes from organisms and decode their DNA.When the nucleotide sequences from the same gene in different species are compared, differences are discovered.How could you use those data to deduce the evolutionary relationships among the organisms in your comparison?

Accepted Answer

If two species share particular changes

Question 8

A group of cells that work together to carry out a similar function is known as a(n)

Accepted Answer

A)  tissue. 
B)  organ system. 
C)  unicellular organism. 
D)  protein. 
E)  gene. 
A)  tissue. 
B)  organ system. 
C)  unicellular organism. 
D)  protein. 
E)  gene.

Question 9

Scientists estimate that for more than _______ years after cells originated, all organisms consisted of one cell.

Accepted Answer

A)  2,500 
B)  250,000 
C)  2 million 
D)  2 billion 
E)  2 trillion 
A)  2,500 
B)  250,000 
C)  2 million 
D)  2 billion 
E)  2 trillion

Question 10

Which question cannot be answered by means of the method that uses a hypothesis and then a prediction?

Accepted Answer

A)  Are bees more attracted to red roses than to yellow roses? 
B)  Are red roses more beautiful than yellow roses? 
C)  Why are red roses red? 
D)  Do red roses bloom earlier than yellow roses? 
E)  Are red roses more susceptible to mildew than yellow roses? 
A)  Are bees more attracted to red roses than to yellow roses? 
B)  Are red roses more beautiful than yellow roses? 
C)  Why are red roses red? 
D)  Do red roses bloom earlier than yellow roses? 
E)  Are red roses more susceptible to mildew than yellow roses?

Question 11

A cell

Accepted Answer

A)  always contains a nucleus. 
B)  is found only in plants and animals. 
C)  is the fundamental unit of life. 
D)  is never an entire organism. 
E)  is always prokaryotic. 
A)  always contains a nucleus. 
B)  is found only in plants and animals. 
C)  is the fundamental unit of life. 
D)  is never an entire organism. 
E)  is always prokaryotic.

Question 12

In which organisms have modern agricultural practices been used to develop new breeds or strains?

Accepted Answer

A)  Animals 
B)  Plants 
C)  Fungi and plants 
D)  Animals and plants 
E)  Animals, plants, and fungi 
A)  Animals 
B)  Plants 
C)  Fungi and plants 
D)  Animals and plants 
E)  Animals, plants, and fungi

Question 13

Which is not a direct concern for biologists?

Accepted Answer

A)  The origin of the universe 
B)  The extraction and consumption of fossil fuels 
C)  The rate of change in the world's ecosystems 
D)  The increase in anthropogenic carbon dioxide in the atmosphere 
E)  The rapid rate of climate warming 
A)  The origin of the universe 
B)  The extraction and consumption of fossil fuels 
C)  The rate of change in the world's ecosystems 
D)  The increase in anthropogenic carbon dioxide in the atmosphere 
E)  The rapid rate of climate warming

Question 14

Which is not an effect of a vastly increasing human population on the environment?

Accepted Answer

A)  Changing global climate 
B)  Evolution of antibiotic-resistant bacteria 
C)  Extinctions of a great number of species 
D)  Spreading of disease 
E)  Influencing the frequency of volcanic eruptions around the world 
A)  Changing global climate 
B)  Evolution of antibiotic-resistant bacteria 
C)  Extinctions of a great number of species 
D)  Spreading of disease 
E)  Influencing the frequency of volcanic eruptions around the world

Question 15

Cells are characterized by

Accepted Answer

A)  an aggregation of proteins. 
B)  the synthesis of proteins with stable shapes. 
C)  the enclosure of biological molecules by a membrane. 
D)  complex proteins being dissolved in water. 
E)  the formation of reactants and products. 
A)  an aggregation of proteins. 
B)  the synthesis of proteins with stable shapes. 
C)  the enclosure of biological molecules by a membrane. 
D)  complex proteins being dissolved in water. 
E)  the formation of reactants and products.

Question 16

The initial accumulation of oxygen in the atmosphere was the result of photosynthesis from an organism most like modern

Accepted Answer

A)  algae. 
B)  mosses. 
C)  kelp. 
D)  eukaryotes. 
E)  cyanobacteria. 
A)  algae. 
B)  mosses. 
C)  kelp. 
D)  eukaryotes. 
E)  cyanobacteria.

Question 17

Refer to the figure below showing the tree of life.   Based on this figure, which statement is true?

Accepted Answer

A)  Most of the species that were ever present on Earth have already been discovered. 
B)  The diversity of organisms on Earth has increased since life arose. 
C)  Protists are prokaryotes. 
D)  Plants and bacteria do not share a common ancestor. 
E)  Fungi are more closely related to plants than to animals. 
A)  Most of the species that were ever present on Earth have already been discovered. 
B)  The diversity of organisms on Earth has increased since life arose. 
C)  Protists are prokaryotes. 
D)  Plants and bacteria do not share a common ancestor. 
E)  Fungi are more closely related to plants than to animals.

Question 18

Which of the following should not derive from the study of biology?

Accepted Answer

A)  Modern agriculture 
B)  Public policy 
C)  Understanding ecosystems 
D)  Medical practice 
E)  Political influence 
A)  Modern agriculture 
B)  Public policy 
C)  Understanding ecosystems 
D)  Medical practice 
E)  Political influence

Question 19

Multicellular organisms must regulate their internal environment.Explain the concept of homeostasis, why it is necessary, and how organisms maintain homeostasis.

Accepted Answer

Homeostasis is the state of maintaining

Question 20

A claim has been made that populations of songbirds in a forest ecosystem will decline as the result of proposed increases in human activity in a nearby area.One means of testing this claim would be to collect quantifiable _______ on the bird populations before the human activity begins and at various times after.

Accepted Answer

The answer of A claim has been made that populations...

Exam 1: Studying Life

The term "anthropogenic" refers to

The organisms that produced the oxygen gas in Earth's early atmosphere were

_______ are the basic structural and physiological units of living organisms.

In terms of increasing complexity, the order of parts of a multicellular animal is

Metabolism is

Which scientific field is providing us with knowledge that will help in the control of possible future tuberculosis epidemics?

Biologists can now isolate genes from organisms and decode their DNA.When the nucleotide sequences from the same gene in different species are compared, differences are discovered.How could you use those data to deduce the evolutionary relationships among the organisms in your comparison?

A group of cells that work together to carry out a similar function is known as a(n)

Scientists estimate that for more than _______ years after cells originated, all organisms consisted of one cell.

Which question cannot be answered by means of the method that uses a hypothesis and then a prediction?

A cell

In which organisms have modern agricultural practices been used to develop new breeds or strains?

Which is not a direct concern for biologists?

Which is not an effect of a vastly increasing human population on the environment?

Cells are characterized by

The initial accumulation of oxygen in the atmosphere was the result of photosynthesis from an organism most like modern

Refer to the figure below showing the tree of life. Based on this figure, which statement is true?

Which of the following should not derive from the study of biology?

Multicellular organisms must regulate their internal environment.Explain the concept of homeostasis, why it is necessary, and how organisms maintain homeostasis.

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Communication and Multicellularity

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

The Cell Cycle and Cell Division

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinant Dna and Biotechnology

Mechanisms of Evolution

Reconstructing and Using Phylogenies

Speciation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

The Evolution and Diversity of Fungi

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons, Glia, and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Functions

Musculoskeletal Systems

Gas Exchange

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen Excretion

Animal Behavior

The Physical Environment and Biogeography of Life

Populations

Species Interactions

Communities

Ecosystems

A Changing Biosphere

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