Question 1

Using sunflower plants to naturally remove heavy toxins from contaminated soil is an example of ________.

Accepted Answer

A)  land conservancy
B)  bioremediation
C)  the green revolution
D)  biomagnificationE) None of the above
F) A) and B)

Question 2

There have been several mass extinctions in the planet's history,such as the extinction of the dinosaurs,but the current mass extinction is different.Greater numbers of species are now going extinct faster than ever before.Also unique to the current mass extinction is the cause.What is causing the current mass extinction?

Accepted Answer

A)  Man's direct activities
B)  Climate change
C)  Rising sea levels
D)  Solar flaresE) A) and B)
F) B) and C)

Question 3

Which month was the wettest? (Remember that the readings are taken at the first of each month.)

Accepted Answer

A)  Month 19
B)  Month 16
C)  Month 22
D)  Month 15E) All of the above
F) C) and D)

Question 4

Of the biomes listed,which is best adapted to seasonal fires?

Accepted Answer

A)  Coniferous forests
B)  Tundra
C)  Broadleaf forests
D)  ChaparralE) B) and C)
F) A) and D)

Question 5

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

Accepted Answer

A)  Natural wildlife reserve
B)  Biodiversity hot spot
C)  Protective wilderness refuge
D)  Protective conservation zoneE) All of the above
F) B) and D)

Question 6

What type of species,if removed from the community,could lead to the collapse of the entire community?

Accepted Answer

A)  Endemic species
B)  Keystone species
C)  Indicator species
D)  Flagship speciesE) B) and C)
F) A) and D)

Question 7

All ecosystems need energy.What is the originating source for most of the energy that powers ecosystems on this planet?

Accepted Answer

A)  Geothermal energy
B)  Wind energy
C)  Solar energy
D)  Potential energyE) A) and B)
F) All of the above

Question 8

All living things need carbon.How does carbon enter the living portion of an ecosystem?

Accepted Answer

A)  Atmospheric CO₂ taken in by photosynthesis
B)  Atmospheric CO₂ taken in by soil bacteria
C)  Elemental carbon taken in by plant roots
D)  Elemental carbon taken in by plant leavesE) A) and B)
F) A) and C)

Question 9

An ecosystem is a collection of all the ________ in a given area.

Accepted Answer

A)  abiotic factors
B)  plants and animals
C)  plants and climate
D)  living and nonliving thingsE) A) and C)
F) All of the above

Question 10

Disturbances to an ecosystem,such as fires and floods,are often seen as negative.Describe a situation where regular disturbances are not only beneficial,but are required to sustain the ecosystem.

Accepted Answer

Many ecosystems are dependent upon seaso...

Question 11

How does an increase in atmospheric greenhouse gases increase global temperatures?

Accepted Answer

A)  By preventing some of the heat from escaping the planet's surface
B)  By decreasing the ozone layer in the atmosphere
C)  By increasing the amount of heat from the sun that reaches the planet's surface
D)  By reacting with each otherE) A) and D)
F) None of the above

Question 12

The processes of chemical cycling would be studied mainly by ________.

Accepted Answer

A)  an environmentalist
B)  a community ecologist
C)  a population ecologist
D)  an ecosystem ecologistE) B) and C)
F) A) and D)

Question 13

A dispersion pattern refers to ________.

Accepted Answer

A)  the density of organisms in a habitat
B)  the extinction rates of a species
C)  the spacing of organism throughout a habitat
D)  the diversity of species found in a habitatE) B) and C)
F) A) and C)

Question 14

"Ecology" is best defined as the study of ________.

Accepted Answer

A)  the relationships between parasites and their hosts
B)  the interactions between living organisms and their environments
C)  plant succession
D)  interactions between predator and prey populationsE) B) and D)
F) All of the above

Question 15

Which of the following examples of adaptation fall into the same category of either anatomical,behavioral,or physiological response to environmental conditions?

Accepted Answer

A)  Putting on a jacket in the winter and growing a thick coat of fur in the winter
B)  A plant growing toward a light source and a plant growing in the direction of wind
C)  Birds flying south in the winter and you shivering on a cold day
D)  A lizard basking on a warm rock on a cold day and you internally raising your body temperature when you are coldE) B) and C)
F) A) and D)

Question 16

Species diversity is highest when ________.

Accepted Answer

A)  species richness is high and relative abundance is unevenly distributed
B)  species richness is low and relative abundance is unevenly distributed
C)  species richness is high and relative abundance is evenly distributed
D)  species richness is low and relative abundance is evenly distributedE) B) and D)
F) A) and D)

Exam 12: Ecology

Using sunflower plants to naturally remove heavy toxins from contaminated soil is an example of ________.

Correct Answer
verified

Species diversity is highest when ________.

Correct Answer
verified

"Ecology" is best defined as the study of ________.

Correct Answer
verified

All living things need carbon.How does carbon enter the living portion of an ecosystem?

Correct Answer
verified

An ecosystem is a collection of all the ________ in a given area.

Correct Answer
verified

All ecosystems need energy.What is the originating source for most of the energy that powers ecosystems on this planet?

Correct Answer
verified

Of the biomes listed,which is best adapted to seasonal fires?

Correct Answer
verified

How does an increase in atmospheric greenhouse gases increase global temperatures?

Correct Answer
verified

A dispersion pattern refers to ________.

Correct Answer
verified

What type of species,if removed from the community,could lead to the collapse of the entire community?

Correct Answer
verified

The processes of chemical cycling would be studied mainly by ________.

Correct Answer
verified

Which month was the wettest? (Remember that the readings are taken at the first of each month.)

Correct Answer
verified

Correct Answer
verified

Disturbances to an ecosystem,such as fires and floods,are often seen as negative.Describe a situation where regular disturbances are not only beneficial,but are required to sustain the ecosystem.

Correct Answer
verified
Many ecosystems are dependent upon seaso...
View Answer

Which of the following examples of adaptation fall into the same category of either anatomical,behavioral,or physiological response to environmental conditions?

Correct Answer
verified

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

Correct Answer
verified

Exam 12: Ecology

Using sunflower plants to naturally remove heavy toxins from contaminated soil is an example of ________.

Correct AnswerverifiedShow Answer

Species diversity is highest when ________.

Correct AnswerverifiedShow Answer

"Ecology" is best defined as the study of ________.

Correct AnswerverifiedShow Answer

All living things need carbon.How does carbon enter the living portion of an ecosystem?

Correct AnswerverifiedShow Answer

An ecosystem is a collection of all the ________ in a given area.

Correct AnswerverifiedShow Answer

All ecosystems need energy.What is the originating source for most of the energy that powers ecosystems on this planet?

Correct AnswerverifiedShow Answer

Of the biomes listed,which is best adapted to seasonal fires?

Correct AnswerverifiedShow Answer

How does an increase in atmospheric greenhouse gases increase global temperatures?

Correct AnswerverifiedShow Answer

A dispersion pattern refers to ________.

Correct AnswerverifiedShow Answer

What type of species,if removed from the community,could lead to the collapse of the entire community?

Correct AnswerverifiedShow Answer

The processes of chemical cycling would be studied mainly by ________.

Correct AnswerverifiedShow Answer

Which month was the wettest? (Remember that the readings are taken at the first of each month.)

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Disturbances to an ecosystem,such as fires and floods,are often seen as negative.Describe a situation where regular disturbances are not only beneficial,but are required to sustain the ecosystem.

Correct AnswerverifiedMany ecosystems are dependent upon seaso...View AnswerShow Answer

Which of the following examples of adaptation fall into the same category of either anatomical,behavioral,or physiological response to environmental conditions?

Correct AnswerverifiedShow Answer

What is the term used to describe relatively small areas with unusually high concentrations of species found there and nowhere else,including many species in high risk of extinction? These areas receive the focus of global conservation efforts.

Correct AnswerverifiedShow Answer

Correct Answer
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Many ecosystems are dependent upon seaso...
View Answer

Correct Answer
verified

Correct Answer
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