Question 1

The separation of a once continuous population by continental drift is an example of

Accepted Answer

A) Lamarckian evolution. 
B) vicariance. 
C) punctuated equilibrium. 
D) mutation. 
A) Lamarckian evolution. 
B) vicariance. 
C) punctuated equilibrium. 
D) mutation.

Question 2

When a community is disturbed to the point that most or all of its species are eliminated,a process called__________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Accepted Answer

A) mass extinction 
B) ecological succession 
C) rejuvenation 
D) patch dynamics 
A) mass extinction 
B) ecological succession 
C) rejuvenation 
D) patch dynamics

Question 3

Different patches across a landscape may be at different successional stages.

Accepted Answer

A) True 
 B)False

Question 4

Respiration is essentially the reverse of the photosynthetic process.

Accepted Answer

A) True 
 B)False

Question 5

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

Accepted Answer

A) True 
 B)False

Question 6

What is an ecosystem? What is the spatial scale of an ecosystem? Provide some examples of an ecosystem.

Accepted Answer

An ecosystem is a self-sustaining associ

Question 7

Currently,approximately __________of cultivated acreage in the United States and Canada is planted for animal consumption.

Accepted Answer

A) 15% 
B) 30% 
C) 50% 
D) 65% 
A) 15% 
B) 30% 
C) 50% 
D) 65%

Question 8

-In which of the following areas would one tend to find the highest net primary productivity?

Accepted Answer

A) Central Australia 
B) Eurasia 
C) Northern Brazil 
D) Western Canada 
A) Central Australia 
B) Eurasia 
C) Northern Brazil 
D) Western Canada

Question 9

Which of the following is INCORRECT regarding the spatial-temporal variability of net primary productivity?

Accepted Answer

A) At temperate and high latitudes,the rate of carbon fixing is seasonally variable. 
B) Productivity rates are constantly high throughout the year in the tropics. 
C) Productivity rates in deserts is much less than that of tropical regions. 
D) Net primary productivity is highest in the fall and winter in temperate and high latitude areas. 
A) At temperate and high latitudes,the rate of carbon fixing is seasonally variable. 
B) Productivity rates are constantly high throughout the year in the tropics. 
C) Productivity rates in deserts is much less than that of tropical regions. 
D) Net primary productivity is highest in the fall and winter in temperate and high latitude areas.

Question 10

The interacting populations of living plants and animals in a particular location are described as a(n)

Accepted Answer

A) niche. 
B) community. 
C) ecosystem. 
D) metapopulation. 
A) niche. 
B) community. 
C) ecosystem. 
D) metapopulation.

Question 11

The proposition that no two species can occupy the same ecological niche is known as the

Accepted Answer

A) competitive exclusion principle. 
B) ecological niche theory. 
C) trophic pyramid theory. 
D) symbiosis. 
A) competitive exclusion principle. 
B) ecological niche theory. 
C) trophic pyramid theory. 
D) symbiosis.

Question 12

How is atmospheric nitrogen converted to a usable form in the biosphere?

Accepted Answer

A) It is absorbed into plants via stomata and converted within the plant to a usable form. 
B) Atmospheric nitrogen is directly available to plants and animals. 
C) Bacteria within root nodules of legumes chemically combine the atmospheric nitrogen into nitrates and ammonia. 
D) Atmospheric nitrogen is completely unavailable to plants and animals and,as a result,synthetic fertilizers must be used. 
A) It is absorbed into plants via stomata and converted within the plant to a usable form. 
B) Atmospheric nitrogen is directly available to plants and animals. 
C) Bacteria within root nodules of legumes chemically combine the atmospheric nitrogen into nitrates and ammonia. 
D) Atmospheric nitrogen is completely unavailable to plants and animals and,as a result,synthetic fertilizers must be used.

Question 13

A consumer,such as a bear,that eats both producers (plants)and consumers (animals)is a

Accepted Answer

A) detritivore. 
B) herbivore. 
C) carnivore. 
D) omnivore. 
A) detritivore. 
B) herbivore. 
C) carnivore. 
D) omnivore.

Question 14

Provide a hypothetical or a historical example of both primary and secondary succession.

Accepted Answer

Answers will vary.An example of primary

Question 15

A black walnut (Juglans nigra)emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself.This is an example of which symbiotic relationship?

Accepted Answer

A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism 
A) Parasitism 
B) Mutualism 
C) Commensalism 
D) Amensalism

Question 16

A _________is a complex network of interconnected food chains with multidirectional branches.

Accepted Answer

A) niche order. 
B) food web. 
C) food pyramid. 
D) trophic level. 
A) niche order. 
B) food web. 
C) food pyramid. 
D) trophic level.

Question 17

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

Accepted Answer

A) True 
 B)False

Question 18

Of the total energy intercepted at Earthʹs surface and available for work,only about ______is actually fixed by photosynthesis.

Accepted Answer

A) 1% 
B) 5% 
C) 10% 
D) 15% 
A) 1% 
B) 5% 
C) 10% 
D) 15%

Question 19

Using Figure 13.3 as your guide,describe the net primary productivity of the area in which you live.How does this net primary productivity vary across your state (or equivalent)and broader region?

Accepted Answer

The answer of Using Figure 13.3 as your guide,describe the...

Question 20

The ability of an ecosystem to recover quickly from a disturbance and return to its original state is known as

Accepted Answer

A) punctuated equilibrium. 
B) resilience. 
C) succession. 
D) vicariance. 
A) punctuated equilibrium. 
B) resilience. 
C) succession. 
D) vicariance.

The separation of a once continuous population by continental drift is an example of

When a community is disturbed to the point that most or all of its species are eliminated,a process called__________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Different patches across a landscape may be at different successional stages.

Respiration is essentially the reverse of the photosynthetic process.

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

What is an ecosystem? What is the spatial scale of an ecosystem? Provide some examples of an ecosystem.

Currently,approximately __________of cultivated acreage in the United States and Canada is planted for animal consumption.

-In which of the following areas would one tend to find the highest net primary productivity?

Which of the following is INCORRECT regarding the spatial-temporal variability of net primary productivity?

The interacting populations of living plants and animals in a particular location are described as a(n)

The proposition that no two species can occupy the same ecological niche is known as the

How is atmospheric nitrogen converted to a usable form in the biosphere?

A consumer,such as a bear,that eats both producers (plants)and consumers (animals)is a

Provide a hypothetical or a historical example of both primary and secondary succession.

A black walnut (Juglans nigra)emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself.This is an example of which symbiotic relationship?

A _________is a complex network of interconnected food chains with multidirectional branches.

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

Of the total energy intercepted at Earthʹs surface and available for work,only about ______is actually fixed by photosynthesis.

Using Figure 13.3 as your guide,describe the net primary productivity of the area in which you live.How does this net primary productivity vary across your state (or equivalent)and broader region?

The ability of an ecosystem to recover quickly from a disturbance and return to its original state is known as

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

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Exam 16: Energy Flows and Nutrient Cycles

The separation of a once continuous population by continental drift is an example of

When a community is disturbed to the point that most or all of its species are eliminated,a process called__________ occurs in which the area undergoes a series of changes in species composition as newer communities replace older ones.

Different patches across a landscape may be at different successional stages.

Respiration is essentially the reverse of the photosynthetic process.

Plants remove a relatively insignificant amount of carbon dioxide from the atmosphere.

What is an ecosystem? What is the spatial scale of an ecosystem? Provide some examples of an ecosystem.

Currently,approximately __________of cultivated acreage in the United States and Canada is planted for animal consumption.

-In which of the following areas would one tend to find the highest net primary productivity?

Which of the following is INCORRECT regarding the spatial-temporal variability of net primary productivity?

The interacting populations of living plants and animals in a particular location are described as a(n)

The proposition that no two species can occupy the same ecological niche is known as the

How is atmospheric nitrogen converted to a usable form in the biosphere?

A consumer,such as a bear,that eats both producers (plants)and consumers (animals)is a

Provide a hypothetical or a historical example of both primary and secondary succession.

A black walnut (Juglans nigra)emits a chemical that may kill or inhibit the growth of other nearby shrubs or trees without harming itself.This is an example of which symbiotic relationship?

A _________is a complex network of interconnected food chains with multidirectional branches.

Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community.

Of the total energy intercepted at Earthʹs surface and available for work,only about ______is actually fixed by photosynthesis.

Using Figure 13.3 as your guide,describe the net primary productivity of the area in which you live.How does this net primary productivity vary across your state (or equivalent)and broader region?

The ability of an ecosystem to recover quickly from a disturbance and return to its original state is known as

The Science of Geography

The Solar System,sun,and Earth

Energy Balance Essentials

Wind Essentials

Waterʹs Unique Properties

Water on Earth

Review of Earthʹs Climate System

Population Growth and Fossil Fuel Burning the Setting for Climate Change

The Pace of Change

Earthʹs Surface Relief Features

Landmass Denudation

Drainage Basins and Drainage Patterns

Global Oceans and Seas

Snow Into Ice--The Basis of Glaciers

Soil Development and Soil Profiles

Biogeographic Divisions

Filters