Question 1

Most ecosystems

Accepted Answer

A) are sharply divided from other ecosystems. 
B) consist of two or more distinct landscapes. 
C) grade into other ecosystems in regions called ecotones. 
D) are clustered with other ecosystems to form communities. 
A) are sharply divided from other ecosystems. 
B) consist of two or more distinct landscapes. 
C) grade into other ecosystems in regions called ecotones. 
D) are clustered with other ecosystems to form communities.

Question 2

In the summer,the heater on an automobile still works well,even though you do not need it.This is because the heater in a car draws on surplus heat generated when gas is used to power the engine.This extra heat,wasted in the summer,is produced as a result of the

Accepted Answer

A) law of the conservation of momentum. 
B) first law of thermodynamics. 
C) law of inertia. 
D) second law of thermodynamics. 
A) law of the conservation of momentum. 
B) first law of thermodynamics. 
C) law of inertia. 
D) second law of thermodynamics.

Question 3

Which of the following statements is not true of the sulfur cycle?

Accepted Answer

A) Most sulfur is found in rocks and minerals. 
B) Unlike nitrogen and carbon,organisms do not require or contain sulfur. 
C) Atmospheric sulfur dioxide is contributed when humans burn fossil fuels. 
D) a natural source of sulfate in soils is weathering of rocks. 
A) Most sulfur is found in rocks and minerals. 
B) Unlike nitrogen and carbon,organisms do not require or contain sulfur. 
C) Atmospheric sulfur dioxide is contributed when humans burn fossil fuels. 
D) a natural source of sulfate in soils is weathering of rocks.

Question 4

During sublimation

Accepted Answer

A) water molecules change their basic structure. 
B) water molecules condense to form a liquid. 
C) additional oxygen is added to water. 
D) water changes from a solid directly to a gaseous form. 
A) water molecules change their basic structure. 
B) water molecules condense to form a liquid. 
C) additional oxygen is added to water. 
D) water changes from a solid directly to a gaseous form.

Question 5

To promote crop growth,a farmer is most likely to apply fertilizers to the soil that contain

Accepted Answer

A) nitrogen. 
B) nitrogen or phosphorus. 
C) carbon or phosphorus. 
D) carbon,nitrogen,or phosphorus. 
A) nitrogen. 
B) nitrogen or phosphorus. 
C) carbon or phosphorus. 
D) carbon,nitrogen,or phosphorus.

Question 6

Ultimately,the sunlight energy that strikes Earth is

Accepted Answer

A) eventually lost into space as heat. 
B) stored permanently in molecules that are located deep within the Earth. 
C) stored permanently in minerals and rocks deep within the oceans. 
D) converted to potential energy and stored in animals and plant tissues permanently. 
A) eventually lost into space as heat. 
B) stored permanently in molecules that are located deep within the Earth. 
C) stored permanently in minerals and rocks deep within the oceans. 
D) converted to potential energy and stored in animals and plant tissues permanently.

Question 7

Watering and fertilizing plants in your home provides them with components of the

Accepted Answer

A) atmosphere and lithosphere. 
B) hydrosphere and biosphere. 
C) lithosphere and hydrosphere. 
D) biosphere and atmosphere. 
A) atmosphere and lithosphere. 
B) hydrosphere and biosphere. 
C) lithosphere and hydrosphere. 
D) biosphere and atmosphere.

Question 8

American beavers,Castor canadensis,are widespread in North America.Those American beavers living around lakes in northern Minnesota and which can potentially interbreed

Accepted Answer

A) are probably a separate beaver species. 
B) represent one population of American beavers. 
C) should look much different than beavers in Wisconsin. 
D) belong to the same family but not the same genus as other beavers. 
A) are probably a separate beaver species. 
B) represent one population of American beavers. 
C) should look much different than beavers in Wisconsin. 
D) belong to the same family but not the same genus as other beavers.

Question 9

Without regular cleanups,the tendency of a home or dorm room to become increasingly messy generally reflects

Accepted Answer

A) the Law of Conservation of Energy. 
B) an increase in entropy. 
C) the loss of heat in any energy conversion. 
D) the conversion of kinetic energy into potential energy. 
A) the Law of Conservation of Energy. 
B) an increase in entropy. 
C) the loss of heat in any energy conversion. 
D) the conversion of kinetic energy into potential energy.

Most ecosystems

In the summer,the heater on an automobile still works well,even though you do not need it.This is because the heater in a car draws on surplus heat generated when gas is used to power the engine.This extra heat,wasted in the summer,is produced as a result of the

Which of the following statements is not true of the sulfur cycle?

During sublimation

To promote crop growth,a farmer is most likely to apply fertilizers to the soil that contain

Ultimately,the sunlight energy that strikes Earth is

Watering and fertilizing plants in your home provides them with components of the

American beavers,Castor canadensis,are widespread in North America.Those American beavers living around lakes in northern Minnesota and which can potentially interbreed

Without regular cleanups,the tendency of a home or dorm room to become increasingly messy generally reflects

Science and the Environment

Economics, Politics, and Public Policy

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

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Exam 3: Basic Needs of Living Things

Most ecosystems

In the summer,the heater on an automobile still works well,even though you do not need it.This is because the heater in a car draws on surplus heat generated when gas is used to power the engine.This extra heat,wasted in the summer,is produced as a result of the

Which of the following statements is not true of the sulfur cycle?

During sublimation

To promote crop growth,a farmer is most likely to apply fertilizers to the soil that contain

Ultimately,the sunlight energy that strikes Earth is

Watering and fertilizing plants in your home provides them with components of the

American beavers,Castor canadensis,are widespread in North America.Those American beavers living around lakes in northern Minnesota and which can potentially interbreed

Without regular cleanups,the tendency of a home or dorm room to become increasingly messy generally reflects

Science and the Environment

Economics, Politics, and Public Policy

Populations and Communities

Ecosystems: Energy, Patterns, and Disturbance

Wild Species and Biodiversity

The Use and Restoration of Ecosystems

The Human Population

Population and Development

Water: Hydrologic Cycle and Human Use

Soil: Foundation for Land Ecosystems

The Production and Distribution of Food

Pests and Pest Control

Energy From Fossil Fuels

Nuclear Power

Renewable Energy

Environmental Hazards and Human Health

Global Climate Change

Atmospheric Pollution

Water Pollution and Its Prevention

Municipal Solid Waste: Disposal and Recovery

Hazardous Chemicals: Pollution and Prevention

Sustainable Communities and Lifestyles

Filters