Question 1

If the earth were an apple,the biosphere would be no thicker than the apple's skin.​

Accepted Answer

A) True 
 B)False

Question 2

The ____________________ occupies those parts of the atmosphere,hydrosphere,and geosphere where life is found.​

Accepted Answer

The answer of The ____________________ occupies those parts of the...

Question 3

Phytoplankton in the open ocean are examples of ____.​

Accepted Answer

A)  ​producers 
B)  ​consumers 
C)  ​heterotrophs 
D)  ​detritivores 
E)  ​decomposers 
A)  ​producers 
B)  ​consumers 
C)  ​heterotrophs 
D)  ​detritivores 
E)  ​decomposers

Question 4

Ozone gas,a chemical in the atmosphere that helps filter out harmful UV sunlight,is located in the troposphere.

Accepted Answer

A) True 
 B)False

Question 5

​All of the water on or near the earth's surface (solid,liquid,and gas phases)comprises the ____.

Accepted Answer

A)  ​atmosphere 
B)  ​geosphere 
C)  ​biosphere 
D)  ​troposphere 
E)  ​hydrosphere 
A)  ​atmosphere 
B)  ​geosphere 
C)  ​biosphere 
D)  ​troposphere 
E)  ​hydrosphere

Question 6

Explain why decomposers are a necessary and important part of ecosystems.

Accepted Answer

Decomposers are consumers that,in the pr

Question 7

Raising fish in a series of aquariums under varied conditions is an example of field research.​

Accepted Answer

A) True 
 B)False

Question 8

Why is a vegetarian diet more efficient than a meat-based diet?​

Accepted Answer

About 90% of useable energy is lost at e

Question 9

A group of individuals of the same species living in a particular place is a(n)____.​

Accepted Answer

A)  ​species 
B)  ​population 
C)  ​community 
D)  ​organism 
E)  ​biome 
A)  ​species 
B)  ​population 
C)  ​community 
D)  ​organism 
E)  ​biome

Question 10

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil,water,and air.

Accepted Answer

A) True 
 B)False

Question 11

Clearly explain the difference between ultraviolet (UV)and infrared radiation and how this relates to the greenhouse effect.

Accepted Answer

The wavelengths of UV and infrared radia

Question 12

Because the earth does not get significant inputs of matter from space,its essentially fixed supply of nutrients must continually be recycled to support life.

Accepted Answer

A) True 
 B)False

Question 13

Unlike the phosphorus cycle,a large portion of the planet's nitrogen can be found in the ____________________.

Accepted Answer

The answer of Unlike the phosphorus cycle,a large portion of...

Question 14

____________________ makes up 78% of the volume of the atmosphere.

Accepted Answer

Nitrogen N

Question 15

Lightning is one of the natural mechanisms by which atmospheric nitrogen is converted to ammonia or ammonium ions.

Accepted Answer

A) True 
 B)False

Question 16

The oceans contain about ____ of the earth's water.​

Accepted Answer

A)  ​38% 
B)  ​55% 
C)  ​71% 
D)  ​85% 
E)  ​97% 
A)  ​38% 
B)  ​55% 
C)  ​71% 
D)  ​85% 
E)  ​97%

Question 17

Coyotes typically forage on mice and squirrels.However,as members of the canine family,Canidae,they also eat berries and parts of plants.As such,coyotes are classified as ____.​

Accepted Answer

A)  ​herbivores 
B)  ​carnivores 
C)  ​omnivores 
D)  ​detritivores 
E)  ​producers 
A)  ​herbivores 
B)  ​carnivores 
C)  ​omnivores 
D)  ​detritivores 
E)  ​producers

Question 18

Sometimes ecologists carry out controlled experiments by isolating and changing a variable in part of an area and comparing the results with nearby unchanged areas.

Accepted Answer

A) True 
 B)False

Question 19

Groundwater found in layers of rock,sand,and gravel is called ____.​

Accepted Answer

A)  ​underground lakes 
B)  ​aquifers 
C)  ​wetlands 
D)  ​basins 
E)  ​stocks 
A)  ​underground lakes 
B)  ​aquifers 
C)  ​wetlands 
D)  ​basins 
E)  ​stocks

Question 20

Precipitation that infiltrates through soil into underground layers of rock,sand,and gravel is stored as ____________________.​

Accepted Answer

The answer of Precipitation that infiltrates through soil into underground...

If the earth were an apple,the biosphere would be no thicker than the apple's skin.

The ____________________ occupies those parts of the atmosphere,hydrosphere,and geosphere where life is found.

Phytoplankton in the open ocean are examples of ____.

Ozone gas,a chemical in the atmosphere that helps filter out harmful UV sunlight,is located in the troposphere.

All of the water on or near the earth's surface (solid,liquid,and gas phases)comprises the ____.

Explain why decomposers are a necessary and important part of ecosystems.

Raising fish in a series of aquariums under varied conditions is an example of field research.

Why is a vegetarian diet more efficient than a meat-based diet?

A group of individuals of the same species living in a particular place is a(n)____.

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil,water,and air.

Clearly explain the difference between ultraviolet (UV)and infrared radiation and how this relates to the greenhouse effect.

Because the earth does not get significant inputs of matter from space,its essentially fixed supply of nutrients must continually be recycled to support life.

Unlike the phosphorus cycle,a large portion of the planet's nitrogen can be found in the ____________________.

____________________ makes up 78% of the volume of the atmosphere.

Lightning is one of the natural mechanisms by which atmospheric nitrogen is converted to ammonia or ammonium ions.

The oceans contain about ____ of the earth's water.

Coyotes typically forage on mice and squirrels.However,as members of the canine family,Canidae,they also eat berries and parts of plants.As such,coyotes are classified as ____.

Sometimes ecologists carry out controlled experiments by isolating and changing a variable in part of an area and comparing the results with nearby unchanged areas.

Groundwater found in layers of rock,sand,and gravel is called ____.

Precipitation that infiltrates through soil into underground layers of rock,sand,and gravel is stored as ____________________.

Environmental Problems - Their Causes - and Sustainability

Science - Matter - and Energy

Biodiversity and Evolution

Biodiversity - Species Interactions - and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity - the Species Approach

Sustaining Biodiversity - the Ecosystem Approach

Food - Soil - and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics Politics and Worldviews

Filters

Exam 3: Ecosystems - What Are They and How Do They Work

If the earth were an apple,the biosphere would be no thicker than the apple's skin.​

The ____________________ occupies those parts of the atmosphere,hydrosphere,and geosphere where life is found.​

Phytoplankton in the open ocean are examples of ____.​

Ozone gas,a chemical in the atmosphere that helps filter out harmful UV sunlight,is located in the troposphere.

​All of the water on or near the earth's surface (solid,liquid,and gas phases)comprises the ____.

Explain why decomposers are a necessary and important part of ecosystems.

Raising fish in a series of aquariums under varied conditions is an example of field research.​

Why is a vegetarian diet more efficient than a meat-based diet?​

A group of individuals of the same species living in a particular place is a(n)____.​

Detritivores are consumers that release nutrients from the dead bodies of living organisms and return them to the soil,water,and air.

Clearly explain the difference between ultraviolet (UV)and infrared radiation and how this relates to the greenhouse effect.

Because the earth does not get significant inputs of matter from space,its essentially fixed supply of nutrients must continually be recycled to support life.

Unlike the phosphorus cycle,a large portion of the planet's nitrogen can be found in the ____________________.

____________________ makes up 78% of the volume of the atmosphere.

Lightning is one of the natural mechanisms by which atmospheric nitrogen is converted to ammonia or ammonium ions.

The oceans contain about ____ of the earth's water.​

Coyotes typically forage on mice and squirrels.However,as members of the canine family,Canidae,they also eat berries and parts of plants.As such,coyotes are classified as ____.​

Sometimes ecologists carry out controlled experiments by isolating and changing a variable in part of an area and comparing the results with nearby unchanged areas.

Groundwater found in layers of rock,sand,and gravel is called ____.​

Precipitation that infiltrates through soil into underground layers of rock,sand,and gravel is stored as ____________________.​

Environmental Problems - Their Causes - and Sustainability

Science - Matter - and Energy

Biodiversity and Evolution

Biodiversity - Species Interactions - and Population Control

The Human Population and Urbanization

Climate and Biodiversity

Sustaining Biodiversity - the Species Approach

Sustaining Biodiversity - the Ecosystem Approach

Food - Soil - and Pest Management

Water Resources and Water Pollution

Geology and Nonrenewable Minerals

Energy

Environmental Hazards and Human Health

Air Pollution Climate Change and Ozone Depletion

Solid and Hazardous Waste

Environmental Economics Politics and Worldviews

Filters

If the earth were an apple,the biosphere would be no thicker than the apple's skin.

The ____________________ occupies those parts of the atmosphere,hydrosphere,and geosphere where life is found.

Phytoplankton in the open ocean are examples of ____.

All of the water on or near the earth's surface (solid,liquid,and gas phases)comprises the ____.

Raising fish in a series of aquariums under varied conditions is an example of field research.

Why is a vegetarian diet more efficient than a meat-based diet?

A group of individuals of the same species living in a particular place is a(n)____.

The oceans contain about ____ of the earth's water.

Coyotes typically forage on mice and squirrels.However,as members of the canine family,Canidae,they also eat berries and parts of plants.As such,coyotes are classified as ____.

Groundwater found in layers of rock,sand,and gravel is called ____.

Precipitation that infiltrates through soil into underground layers of rock,sand,and gravel is stored as ____________________.