Question 1

An increase in the current fertility rate of the human species will increase the human carrying capacity of Earth.

Accepted Answer

A) True 
 B)False

Question 2

________ provide valuable flood control because they can hold large volumes of water.

Accepted Answer

Wetlands or Marshes

Question 3

The greenhouse effect is a natural and important phenomenon because it

Accepted Answer

A)  removes smog from affected areas 
B)  maintains the surface temperature on Earth 
C)  reverses the effect that CFCs have on the ozone layer 
D)  decreases the amount of carbon dioxide in the stratosphere 
E)  reverses the effects of deforestation 
A)  removes smog from affected areas 
B)  maintains the surface temperature on Earth 
C)  reverses the effect that CFCs have on the ozone layer 
D)  decreases the amount of carbon dioxide in the stratosphere 
E)  reverses the effects of deforestation

Question 4

Pollution of groundwater is generally a more serious concern than the pollution of surface water because groundwater is often a source of drinking water.

Accepted Answer

A) True 
 B)False

Question 5

Biomass fuels are least likely to be used in which one of the following countries?

Accepted Answer

A)  United States 
B)  Brazil 
C)  Iceland 
D)  Vietnam 
E)  England 
A)  United States 
B)  Brazil 
C)  Iceland 
D)  Vietnam 
E)  England

Question 6

Humans must work together to create a sustainable world. What can you do to contribute to this cause?

Accepted Answer

By simply reducing the amount of resourc

Question 7

The largest hole in the ozone layer occurs in the stratospheric layer over

Accepted Answer

A)  the Amazon rainforests 
B)  the eastern coast of the United States 
C)  the western coast of the United States 
D)  Africa and South America 
E)  Antarctica 
A)  the Amazon rainforests 
B)  the eastern coast of the United States 
C)  the western coast of the United States 
D)  Africa and South America 
E)  Antarctica

Question 8

Creation of sustainable ecosystems cannot be achieved through

Accepted Answer

A)  decreased human consumption of everything, and thus a lower production of waste 
B)  developing practices of recycling reusable materials 
C)  a reduction in world population growth 
D)  decreasing poverty so that people are not consumed by immediate needs (food, shelter) and can focus more on human's long-term impact on the environment 
E)  greater use of natural resources 
A)  decreased human consumption of everything, and thus a lower production of waste 
B)  developing practices of recycling reusable materials 
C)  a reduction in world population growth 
D)  decreasing poverty so that people are not consumed by immediate needs (food, shelter) and can focus more on human's long-term impact on the environment 
E)  greater use of natural resources

Question 9

Stopping global warming will require commitment by all nations and will not be easy. One of the most promising strategies involves storing or burying CO₂ deep in the oceans, a process termed

Accepted Answer

A)  denitrification 
B)  sedimentary cycle 
C)  carbon sequestration 
D)  complement fixation 
E)  carbon dioxide scrubbing 
A)  denitrification 
B)  sedimentary cycle 
C)  carbon sequestration 
D)  complement fixation 
E)  carbon dioxide scrubbing

Question 10

Prolific growth of algae as a result of pollutants in a lake is an example of ________.

Accepted Answer

The answer of Prolific growth of algae as a result...

Question 11

Which one of the following statements is TRUE regarding rural poverty?

Accepted Answer

A)  Less than 25% of the world's population lives in rural poverty. 
B)  The problems of land use in rural areas are similar to those in cities. 
C)  Those in impoverished rural communities will often cut down all trees for fuel and shelter. 
D)  The use of communal lands in impoverished rural areas is carefully monitored. 
E)  Few individuals living in rural areas depend on the local environment for sustenance. 
A)  Less than 25% of the world's population lives in rural poverty. 
B)  The problems of land use in rural areas are similar to those in cities. 
C)  Those in impoverished rural communities will often cut down all trees for fuel and shelter. 
D)  The use of communal lands in impoverished rural areas is carefully monitored. 
E)  Few individuals living in rural areas depend on the local environment for sustenance.

Question 12

Explain how emissions of carbon monoxide and carbon dioxide create the greenhouse effect.

Accepted Answer

As these gases, and others, rise in the

Question 13

Most of the energy used by humans comes from which one of the following sources?

Accepted Answer

A)  solar energy 
B)  nuclear energy 
C)  fossil fuels 
D)  hydroelectric power 
E)  geothermal power 
A)  solar energy 
B)  nuclear energy 
C)  fossil fuels 
D)  hydroelectric power 
E)  geothermal power

Question 14

Which of the following pollutants is generally stored in dry locations because they remain a potential problem for thousands of years?

Accepted Answer

A)  radioactive waste 
B)  PANs (peroxyacyl nitrates) 
C)  CFCs 
D)  heavy metals 
E)  gasoline and oil 
A)  radioactive waste 
B)  PANs (peroxyacyl nitrates) 
C)  CFCs 
D)  heavy metals 
E)  gasoline and oil

Question 15

Damage to the ecosystem by the processes of desertification and deforestation occurs most commonly in ________ areas.

Accepted Answer

The answer of Damage to the ecosystem by the processes...

Question 16

A(n) ________ occurs when a warm, stagnant layer of air traps a cooler mass of air containing smog below it.

Accepted Answer

The answer of A(n) ________ occurs when a warm, stagnant...

Question 17

A thermal inversion occurs when a warm stagnant air mass traps a cooler air mass containing smog beneath it.

Accepted Answer

A) True 
 B)False

Question 18

Humans breathe in air that is comprised primarily of nitrogen and oxygen, with small amounts of carbon dioxide; trace amounts of thousands of pollutants are also present.

Accepted Answer

A) True 
 B)False

Question 19

All of the following statements accurately describe eutrophication EXCEPT which one?

Accepted Answer

A)  Eutrophication may be accelerated by agricultural runoff containing fertilizers. 
B)  Eutrophication is a part of a natural process that converts freshwater into marsh. 
C)  Eutrophication is beneficial and enhances the diversity of life-forms in a body of water. 
D)  Eutrophication accelerates plant and algal growth at the expense of animal diversity. 
E)  Sewage and other organic nutrient pollutants can enhance eutrophication. 
A)  Eutrophication may be accelerated by agricultural runoff containing fertilizers. 
B)  Eutrophication is a part of a natural process that converts freshwater into marsh. 
C)  Eutrophication is beneficial and enhances the diversity of life-forms in a body of water. 
D)  Eutrophication accelerates plant and algal growth at the expense of animal diversity. 
E)  Sewage and other organic nutrient pollutants can enhance eutrophication.

Question 20

Gases such as nitrous oxide and carbon dioxide are called greenhouse gases because they

Accepted Answer

A)  block sunlight from reaching Earth 
B)  block specific wavelengths of sunlight from penetrating 
C)  permit sunlight to enter but trap the heat energy in the atmosphere 
D)  block both sunlight and heat energy from penetrating the atmosphere 
E)  stimulate photosynthesis in most plants 
A)  block sunlight from reaching Earth 
B)  block specific wavelengths of sunlight from penetrating 
C)  permit sunlight to enter but trap the heat energy in the atmosphere 
D)  block both sunlight and heat energy from penetrating the atmosphere 
E)  stimulate photosynthesis in most plants

Exam 24: Human Impacts, Biodiversity, and Environmental Issues

An increase in the current fertility rate of the human species will increase the human carrying capacity of Earth.

________ provide valuable flood control because they can hold large volumes of water.

The greenhouse effect is a natural and important phenomenon because it

Pollution of groundwater is generally a more serious concern than the pollution of surface water because groundwater is often a source of drinking water.

Biomass fuels are least likely to be used in which one of the following countries?

Humans must work together to create a sustainable world. What can you do to contribute to this cause?

The largest hole in the ozone layer occurs in the stratospheric layer over

Creation of sustainable ecosystems cannot be achieved through

Stopping global warming will require commitment by all nations and will not be easy. One of the most promising strategies involves storing or burying CO₂ deep in the oceans, a process termed

Prolific growth of algae as a result of pollutants in a lake is an example of ________.

Which one of the following statements is TRUE regarding rural poverty?

Explain how emissions of carbon monoxide and carbon dioxide create the greenhouse effect.

Most of the energy used by humans comes from which one of the following sources?

Which of the following pollutants is generally stored in dry locations because they remain a potential problem for thousands of years?

Damage to the ecosystem by the processes of desertification and deforestation occurs most commonly in ________ areas.

A(n) ________ occurs when a warm, stagnant layer of air traps a cooler mass of air containing smog below it.

A thermal inversion occurs when a warm stagnant air mass traps a cooler air mass containing smog beneath it.

Humans breathe in air that is comprised primarily of nitrogen and oxygen, with small amounts of carbon dioxide; trace amounts of thousands of pollutants are also present.

All of the following statements accurately describe eutrophication EXCEPT which one?

Gases such as nitrous oxide and carbon dioxide are called greenhouse gases because they

Human Biology, Science, and Society

The Chemistry of Living Things

Structure and Function of Cells

From Cells to Organ Systems

The Skeletal System

The Muscular System

Blood

Heart and Blood Vessels

The Immune System and Mechanisms of Defense

The Respiratory System: Exchange of Gases

The Nervous System: Integration and Control

Sensory Mechanisms

The Endocrine System

The Digestive System and Nutrition

The Urinary System

Reproductive Systems

Cell Reproduction and Differentiation

Cancer: Uncontrolled Cell Division and Differentiation

Genetics and Inheritance

DNA Technology and Genetic Engineering

Development and Aging

Evolution and the Origins of Life

Ecosystems and Populations

Filters