Question 1

In temperate lakes, the surface water is replenished with nutrients during turnovers that occur in the

Accepted Answer

A) autumn and spring. 
B) autumn and winter. 
C) spring and summer. 
D) summer and winter. 
E) summer and autumn. 
A) autumn and spring. 
B) autumn and winter. 
C) spring and summer. 
D) summer and winter. 
E) summer and autumn.

Question 2

Which of the following statements about ecology is incorrect?

Accepted Answer

A) Ecologists may study populations and communities of organisms. 
B) Ecological studies may involve the use of models and computers. 
C) Ecology is a discipline that is independent from natural selection and evolutionary history. 
D) Ecology spans increasingly comprehensive levels of organization, from individuals to ecosystems. 
E) Ecology is the study of the interactions between biotic and abiotic aspects of the environment. 
A) Ecologists may study populations and communities of organisms. 
B) Ecological studies may involve the use of models and computers. 
C) Ecology is a discipline that is independent from natural selection and evolutionary history. 
D) Ecology spans increasingly comprehensive levels of organization, from individuals to ecosystems. 
E) Ecology is the study of the interactions between biotic and abiotic aspects of the environment.

Question 3

Suppose the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?

Accepted Answer

A) tropical rain forest 
B) savanna 
C) desert 
D) temperate broadleaf forest 
E) temperate grassland 
A) tropical rain forest 
B) savanna 
C) desert 
D) temperate broadleaf forest 
E) temperate grassland

Question 4

The oceans affect the biosphere in all of the following ways except

Accepted Answer

A) producing a substantial amount of the biosphere's oxygen. 
B) removing carbon dioxide from the atmosphere. 
C) moderating the climate of terrestrial biomes. 
D) regulating the pH of freshwater biomes and terrestrial groundwater. 
E) being the source of most of Earth's rainfall. 
A) producing a substantial amount of the biosphere's oxygen. 
B) removing carbon dioxide from the atmosphere. 
C) moderating the climate of terrestrial biomes. 
D) regulating the pH of freshwater biomes and terrestrial groundwater. 
E) being the source of most of Earth's rainfall.

Question 5

Landscape ecology is best described as the study of

Accepted Answer

A) the flow of energy and materials between the biotic and abiotic components of an ecosystem. 
B) how the structure and function of species enable them to meet the challenges of their environment. 
C) what factors affect the structure and size of a population over time. 
D) the interactions between the different species that inhabit and ecosystem. 
E) the factors controlling the exchanges of energy, materials, and organisms among ecosystem patches. 
A) the flow of energy and materials between the biotic and abiotic components of an ecosystem. 
B) how the structure and function of species enable them to meet the challenges of their environment. 
C) what factors affect the structure and size of a population over time. 
D) the interactions between the different species that inhabit and ecosystem. 
E) the factors controlling the exchanges of energy, materials, and organisms among ecosystem patches.

Question 6

If global warming continues at its present rate, which biomes will likely take the place of the coniferous forest (taiga)?

Accepted Answer

A) tundra and polar ice 
B) temperate broadleaf forest and grassland 
C) desert and chaparral 
D) tropical forest and savanna 
E) chaparral and temperate broadleaf forest 
A) tundra and polar ice 
B) temperate broadleaf forest and grassland 
C) desert and chaparral 
D) tropical forest and savanna 
E) chaparral and temperate broadleaf forest

Question 7

Which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers?

Accepted Answer

A) desert 
B) taiga 
C) temperate grassland 
D) chaparral 
E) savanna 
A) desert 
B) taiga 
C) temperate grassland 
D) chaparral 
E) savanna

Question 8

The success with which plants extend their range northward following glacial retreat is best determined by

Accepted Answer

A) whether there is simultaneous migration of herbivores. 
B) their tolerance to shade. 
C) their seed dispersal rate. 
D) their size. 
E) their growth rate. 
A) whether there is simultaneous migration of herbivores. 
B) their tolerance to shade. 
C) their seed dispersal rate. 
D) their size. 
E) their growth rate.

Question 9

Which biome is able to support many large animals despite receiving moderate amounts of rainfall?

Accepted Answer

A) tropical rain forest 
B) temperate forest 
C) chaparral 
D) taiga 
E) savanna 
A) tropical rain forest 
B) temperate forest 
C) chaparral 
D) taiga 
E) savanna

Question 10

Which of the following is True with respect to oligotrophic lakes and eutrophic lakes?

Accepted Answer

A) Oligotrophic lakes are more subject to oxygen depletion. 
B) Rates of photosynthesis are lower in eutrophic lakes. 
C) Eutrophic lake water contains lower concentrations of nutrients. 
D) Eutrophic lakes are richer in nutrients. 
E) Sediments in oligotrophic lakes contain larger amounts of decomposable organic matter. 
A) Oligotrophic lakes are more subject to oxygen depletion. 
B) Rates of photosynthesis are lower in eutrophic lakes. 
C) Eutrophic lake water contains lower concentrations of nutrients. 
D) Eutrophic lakes are richer in nutrients. 
E) Sediments in oligotrophic lakes contain larger amounts of decomposable organic matter.

Question 11

In the development of terrestrial biomes, which factor is most dependent on all the others?

Accepted Answer

A) the species of colonizing animals 
B) prevailing temperature 
C) prevailing rainfall 
D) mineral nutrient availability 
E) soil structure 
A) the species of colonizing animals 
B) prevailing temperature 
C) prevailing rainfall 
D) mineral nutrient availability 
E) soil structure

Exam 52: An Introduction to Ecology and the Biosphere

In temperate lakes, the surface water is replenished with nutrients during turnovers that occur in the

Which of the following statements about ecology is incorrect?

Suppose the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?

The oceans affect the biosphere in all of the following ways except

Landscape ecology is best described as the study of

If global warming continues at its present rate, which biomes will likely take the place of the coniferous forest (taiga)?

Which type of biome would most likely occur in a climate with mild, rainy winters and hot, dry summers?

The success with which plants extend their range northward following glacial retreat is best determined by

Which biome is able to support many large animals despite receiving moderate amounts of rainfall?

Which of the following is True with respect to oligotrophic lakes and eutrophic lakes?

In the development of terrestrial biomes, which factor is most dependent on all the others?

Introduction: Themes in the Study of Life

The Chemical Context of Life

Water and the Fitness of the Environment

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: Harvesting Chemical Energy

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

Control of Gene Expression

Viruses

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 Introduction to Animal Diversity

Invertebrates

Vertebrates

Plant Structure, Growth, and Development

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 Signaling

Nervous Systems

Sensory and Motor Mechanisms

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

Conservation Biology and Restoration Ecology

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