Question 1

What did Stephen Carter and his team from University of Madison-Wisconsin study?

Accepted Answer

A)  Salt water intrusion into estuaries 
B)  Tipping points for endangered food webs 
C)  Acidification of ocean ecosystems 
D)  Effects of dams on river flow 
E)  Desertification of dune ecosystems 
A)  Salt water intrusion into estuaries 
B)  Tipping points for endangered food webs 
C)  Acidification of ocean ecosystems 
D)  Effects of dams on river flow 
E)  Desertification of dune ecosystems B

Question 2

The Coriolis effect results in the

Accepted Answer

A)  rising of air at the equator. 
B)  falling of air near the poles. 
C)  deflection of moving air due to the rotation of Earth. 
D)  altitudinal variations in temperature. 
E)  release of heat once radiation strikes the Earth's surface. 
A)  rising of air at the equator. 
B)  falling of air near the poles. 
C)  deflection of moving air due to the rotation of Earth. 
D)  altitudinal variations in temperature. 
E)  release of heat once radiation strikes the Earth's surface. C

Question 3

Nitrogen-fixing bacteria convert gaseous nitrogen into

Accepted Answer

A)  amino acids. 
B)  phosphate. 
C)  ammonia. 
D)  nitrite. 
E)  nitrate. 
A)  amino acids. 
B)  phosphate. 
C)  ammonia. 
D)  nitrite. 
E)  nitrate. C

Question 4

The primary reason that Earth experiences seasons is because of the

Accepted Answer

A)  Earth's rotation. 
B)  Earth's orbit. 
C)  Earth's tilt on its axis. 
D)  unequal thickness of the Earth's atmosphere. 
E)  different layers of the Earth's atmosphere. 
A)  Earth's rotation. 
B)  Earth's orbit. 
C)  Earth's tilt on its axis. 
D)  unequal thickness of the Earth's atmosphere. 
E)  different layers of the Earth's atmosphere.

Question 5

Which statement best describes a typical food chain?

Accepted Answer

A)  An owl has a positive impact on the grass population. 
B)  An owl has a negative impact on the grass population. 
C)  A carnivore has a negative effect on primary producers. 
D)  Energy can flow back and forth between trophic levels. 
E)  Energy is never lost as it moves from one trophic level to the next. 
A)  An owl has a positive impact on the grass population. 
B)  An owl has a negative impact on the grass population. 
C)  A carnivore has a negative effect on primary producers. 
D)  Energy can flow back and forth between trophic levels. 
E)  Energy is never lost as it moves from one trophic level to the next.

Question 6

Which statement about decomposers is FALSE?

Accepted Answer

A)  They act with detritivores to break down and recycle organic matter. 
B)  They are microbial heterotrophs. 
C)  They include bacteria but not fungi. 
D)  They use the products of decomposition to supply themselves with energy. 
E)  They are also called saprotrophs. 
A)  They act with detritivores to break down and recycle organic matter. 
B)  They are microbial heterotrophs. 
C)  They include bacteria but not fungi. 
D)  They use the products of decomposition to supply themselves with energy. 
E)  They are also called saprotrophs.

Question 7

Which issue is least likely to have been the result of human impact on the nitrogen cycle?

Accepted Answer

A)  Photochemical smog 
B)  Global warming 
C)  Acid rain 
D)  El Niño-Southern Oscillation events 
E)  Depletion of the ozone layer 
A)  Photochemical smog 
B)  Global warming 
C)  Acid rain 
D)  El Niño-Southern Oscillation events 
E)  Depletion of the ozone layer

Question 8

Match between columns
                        Premises: This process occurs in root nodules

Accepted Answer

The Answer of Nitrification and Denitrification and Nitrogen fixation and is...

Question 9

Which of the following directly drives ocean surface circulation patterns?

Accepted Answer

A)  Solar energy 
B)  Salinity 
C)  Winds 
D)  Changes in water temperature 
E)  Coriolis effect 
A)  Solar energy 
B)  Salinity 
C)  Winds 
D)  Changes in water temperature 
E)  Coriolis effect

Question 10

Match between columns
                        Premises: This process occurs in heterocysts

Accepted Answer

The Answer of Denitrification and Nitrogen fixation and Nitrification and is...

Question 11

Fossil fuels, such as coal and oil, are derived from which biogeochemical cycle?

Accepted Answer

A)  The hydrological cycle 
B)  The phosphorous cycle 
C)  The carbon cycle 
D)  The oxygen cycle 
E)  The nitrogen cycle 
A)  The hydrological cycle 
B)  The phosphorous cycle 
C)  The carbon cycle 
D)  The oxygen cycle 
E)  The nitrogen cycle

Question 12

Define ecosystem management and briefly discuss how ecosystem experiments contribute to it.

Accepted Answer

Concepts to Consider: Ecosystem manageme

Question 13

What key factor limits the number of trophic levels in an ecosystem?

Accepted Answer

A)  Maximum solar radiation 
B)  Energy loss 
C)  Herbivore size 
D)  Predator size 
E)  Climate 
A)  Maximum solar radiation 
B)  Energy loss 
C)  Herbivore size 
D)  Predator size 
E)  Climate

Question 14

Which process is NOT indirectly related to absorption of solar energy by the Earth's surface?

Accepted Answer

A)  Water cycle 
B)  Photosynthesis 
C)  Winds 
D)  Surface currents 
E)  Coriolis effect 
A)  Water cycle 
B)  Photosynthesis 
C)  Winds 
D)  Surface currents 
E)  Coriolis effect

Question 15

Which is the greatest sink of phosphorus?

Accepted Answer

A)  Mineable phosphate rocks 
B)  Atmosphere 
C)  Marine sediments 
D)  Soil phosphates 
E)  Marine organisms 
A)  Mineable phosphate rocks 
B)  Atmosphere 
C)  Marine sediments 
D)  Soil phosphates 
E)  Marine organisms

Question 16

Match between columns
                        Premises: Converts NHS1U1B13S1U1B0 to NOS1U1B13S1U1B0S1U1P1-S1S1P0

Accepted Answer

The Answer of Denitrification and Nitrification and Nitrogen fixation and is...

Question 17

Which of the following processes restores nitrogen to the air?

Accepted Answer

A)  Ammonification 
B)  Nitrification 
C)  Denitrification 
D)  Renitrification 
E)  Nitrogen fixation 
A)  Ammonification 
B)  Nitrification 
C)  Denitrification 
D)  Renitrification 
E)  Nitrogen fixation

Question 18

Briefly describe where deserts develop and why.

Accepted Answer

Deserts develop in the rain shadows of m

Question 19

A rain shadow occurs in the dry lands on the sides of mountains facing the prevailing winds.

Accepted Answer

A) True 
 B)False

Question 20

Consider a deciduous forest and its pyramid of biomass. Why are a large number of berry plants necessary to support a population of foxes?

Accepted Answer

Each trophic level on a biomass pyramid

Exam 55: Ecosystems and the Biosphere

What did Stephen Carter and his team from University of Madison-Wisconsin study?

The Coriolis effect results in the

Nitrogen-fixing bacteria convert gaseous nitrogen into

The primary reason that Earth experiences seasons is because of the

Which statement best describes a typical food chain?

Which statement about decomposers is FALSE?

Which issue is least likely to have been the result of human impact on the nitrogen cycle?

Which of the following directly drives ocean surface circulation patterns?

Fossil fuels, such as coal and oil, are derived from which biogeochemical cycle?

Define ecosystem management and briefly discuss how ecosystem experiments contribute to it.

What key factor limits the number of trophic levels in an ecosystem?

Which process is NOT indirectly related to absorption of solar energy by the Earth's surface?

Which is the greatest sink of phosphorus?

Which of the following processes restores nitrogen to the air?

Briefly describe where deserts develop and why.

A rain shadow occurs in the dry lands on the sides of mountains facing the prevailing winds.

Consider a deciduous forest and its pyramid of biomass. Why are a large number of berry plants necessary to support a population of foxes?

A View of Life

Atoms and Molecules: the Chemical Basis of Life

The Chemistry of Life: Organic Compounds

Organization of the Cell

Biological Membranes

Cell Communication

Energy and Metabolism

How Cells Make Atp: Energy-Releasing Pathways

Photosynthesis: Capturing Light Energy

Chromosomes, Mitosis, and Meiosis

The Basic Principles of Heredity

DNA: The Carrier of Genetic Information

Gene Expression

Gene Regulation

DNA Technology and Genomics

Human Genetics and the Human Genome

Developmental Genetics

Introduction to Darwinian Evolution

Evolutionary Change in Populations

Speciation and Macroevolution

The Origin and Evolutionary History of Life

The Evolution of Primates

Understanding Diversity: Systematics

Viruses and Subviral Agents

Bacteria and Archaea

Protists

Seedless Plants

Seed Plants

The Fungi

An Introduction to Animal Diversity

Sponges, Cnidarians, Ctenophores, and Protostomes

The Deuterostomes

Plant Structure, Growth, and Development

Leaf Structure and Function

Stem Structure and Transport

Roots and Mineral Nutrition

Reproduction in Flowering Plants

Plant Developmental Responses to External and Internal Signals

Animal Structure and Function: an Introduction

Protection, Support, and Movement

Neural Signaling

Neural Regulation

Sensory Systems

Internal Transport

The Immune System: Internal Defense

Gas Exchange

Processing Food and Nutrition

Osmoregulation and Disposal of Metabolic Wastes

Endocrine Regulation

Reproduction

Animal Development

Animal Behavior

Introduction to Ecology: Population Ecology

Community Ecology

Ecology and the Geography of Life

Biological Diversity and Conservation Biology

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