Why can the U.S. legally transport its electronic waste when other countries cannot?
a. The United States can export its ewaste legally because it is the only industrialized
nation that exports directly to recycling centers.
b. The United States can export its ewaste legally because it is exempted from most
international laws.
c. The United States can export its ewaste legally because it can afford the safety
measures needed for safe transport.
d. The United States can export its ewaste legally because it is the only industrialized
nation that has not ratified the Basel Convention.
e. The United States can export its ewaste legally because it has previous trade
agreements with some countries.
The zone of a biosphere reserve where there would be little, if any, disturbance from
human activities would be the ____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYwilderness zone
b. HTMLENTITY#8203HTMLENTITYtransition zone
c. HTMLENTITY#8203HTMLENTITYinner core
d. HTMLENTITY#8203HTMLENTITYperimeter
e. HTMLENTITY#8203HTMLENTITYbiozone
Water exists as a liquid over a wide range of temperatures because of the lack of
attractive forces between its molecules.
a. True
b. False
What is by far the leading cause of water pollution?
HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYunlined landfills
b. HTMLENTITY#8203HTMLENTITYorganic wastes
c. HTMLENTITY#8203HTMLENTITYuntreated sewage waste
d. HTMLENTITY#8203HTMLENTITYagricultural activities
e. oil and natural gas production and
developmentHTMLENTITY#8203HTMLENTITY
Most soil erosion is caused by ____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYwater
b. HTMLENTITY#8203HTMLENTITYwind
c. HTMLENTITY#8203HTMLENTITYhuman activities
d. HTMLENTITY#8203HTMLENTITYclimate change
e. weatheringHTMLENTITY#8203HTMLENTITY
The holistic principle states that we should recognize that the environmental and other
problems we face are connected.
a. True
b. False
Unlike nitrogen or carbon, phosphorus ____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYdoes not cycle through the atmosphere and it
cycles more slowly
b. HTMLENTITY#8203HTMLENTITYis not passed up the food chain to consumers
c. HTMLENTITY#8203HTMLENTITYis not involved in plant growth
d. HTMLENTITY#8203HTMLENTITYis plentiful and rarely limits primary
productivity
e. HTMLENTITY#8203HTMLENTITYcycling has not been affected by humans
HTMLENTITY#8203HTMLENTITYConsumers pay a hidden cost of ____ per gallon
for gasoline.
a. HTMLENTITY#8203HTMLENTITY6%
b. HTMLENTITY#8203HTMLENTITY$12.00
c. HTMLENTITY#8203HTMLENTITY10%
d. HTMLENTITY#8203HTMLENTITY$3.00
e. HTMLENTITY#8203HTMLENTITY$8.00
Desert ecosystems are fragile because they have slow plant growth, low species
diversity, slow nutrient cycling, and very little water.
a. True
b. False
China dominates the world in the complex, lengthy, and environmentally harmful
chemical process of converting rare earth minerals into individual metals and oxides.
a. True
b. False
HTMLENTITY#8203HTMLENTITYAll nonnative species threaten ecosystems.
a. True
b. False
ANSWER: False
Drip irrigation systems have an efficiency of 90 to 95%.
a. True
b. False
Some genetic mutations occur from exposure to external agents called ____, such as
radioactivity, ultraviolet radiation from the sun, and certain natural and humanmade
chemicals.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYmutagens
b. HTMLENTITY#8203HTMLENTITYheritable traits
c. HTMLENTITY#8203HTMLENTITYkeystones
d. HTMLENTITY#8203HTMLENTITYniches
e. HTMLENTITY#8203HTMLENTITYantibiotics
A connected loop of deep and shallow ocean currents transports warm and cool water to
various parts of the earth.
a. True
b. False
Most freshwater in the eastern U.S. is used for manufacturing and cooling power plants.
a. True
b. False
HTMLENTITY#8203HTMLENTITYWhy do we continue to waste energy rather than
convert to more energy efficient behaviors?
a. HTMLENTITY#8203HTMLENTITYA glut of substantial tax breaks for certain
sectors
b. HTMLENTITY#8203HTMLENTITYA lack of artificially lowcost fossil fuels
c. HTMLENTITY#8203HTMLENTITYNo clear or substantial benefits to the
environment from reduction
d. HTMLENTITY#8203HTMLENTITYA lack of concern about the adverse
environmental effects of wasting energy
e. HTMLENTITY#8203HTMLENTITYA lack of substantial tax breaks and a glut of
artificially low costing fossil fuels
____ is a technology that enables scientists to make new sequences of DNA and to use
such genetic information to design and create new cells, tissues, organisms, and
devices, and to redesign natural biological
systems.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYSynthetic biology
b. HTMLENTITY#8203HTMLENTITYArtificial selection
c. HTMLENTITY#8203HTMLENTITYReproductive isolation
d. HTMLENTITY#8203HTMLENTITYSpeciation
e. HTMLENTITY#8203HTMLENTITYAdaptation
A declining population can threaten the government’s ability to fund pensions and
healthcare costs for retirees.
a. True
b. False
Natural ecological restoration of riparian areas can happen if
____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYenough chemical fertilizer is applied
b. HTMLENTITY#8203HTMLENTITYthere is aggressive planting of native trees and
shrubs
c. HTMLENTITY#8203HTMLENTITYthe native fish in the adjacent stream or river
are restocked
d. HTMLENTITY#8203HTMLENTITYovergrazed land is protected through rotational
grazing
e. HTMLENTITY#8203HTMLENTITYcloud seeding is performed
A classmate tells you that a statement heard on the news about an environmental
process noted in a local ecosystem cannot be true because it has not been scientifically
proven. You realize that ____.
a. this classmate is misinformed because science cannot prove anything, but it can
disprove events conclusively
b. this classmate is misinformed because science cannot prove or disprove anything
absolutely
c. this classmate is misinformed because the environmental process in question actually
has been proven scientifically
d. this classmate is correct
e. this classmate has confused scientific theories and scientific laws
The 17 ____ include scandium, yttrium, and 15 lanthanide chemical elements,
including lanthanum.
a. semiprecious minerals
b. metallic ores
c. nonmetallic ores
d. rare earth metals
e. strategically important minerals
The best and cheapest ways to deal with solid and hazardous wastes are waste reduction
and pollution prevention.
a. True
b. False
Federal subsidies are provided to U.S. farmers who reduce water use in irrigation.
a. True
b. False
Microwave ovens use about the same amount of energy as conventional ovens.
a. True
b. False
What is a surface hazard resulting from subsurface mining?
HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYhighwalls
b. HTMLENTITY#8203HTMLENTITYfires
c. HTMLENTITY#8203HTMLENTITYexplosions
d. HTMLENTITY#8203HTMLENTITYcaveins
e. HTMLENTITY#8203HTMLENTITYsubsidence
HTMLENTITY#8203HTMLENTITYThe Convention on Biological Diversity was
ratified or accepted by 193 countries. Which country was NOT among those who
ratified this treaty?
a. HTMLENTITY#8203HTMLENTITYRussia
b. HTMLENTITY#8203HTMLENTITYChina
c. HTMLENTITY#8203HTMLENTITYThe United Kingdom
d. HTMLENTITY#8203HTMLENTITYCanada
e. HTMLENTITY#8203HTMLENTITYThe United States
Which statement best describes the first law of thermodynamics?
HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYAtoms cannot be created or destroyed.
b. HTMLENTITY#8203HTMLENTITYEnergy can neither be created nor destroyed.
c. HTMLENTITY#8203HTMLENTITYHeat is a form of kinetic energy.
d. HTMLENTITY#8203HTMLENTITYSolar energy is converted into chemical energy
in living systems.
e. HTMLENTITY#8203HTMLENTITYWhen energy is used up, it’s gone.
A potential problem to finding solutions to our environmental problems is that the
message of environmental degradation often carries a negative tone that turns off many
people.
a. True
b. False
Because this mutation produced a specific wing trait that was passed onto offspring, the
mutation must have occurred ____.HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYin wing cells
b. HTMLENTITY#8203HTMLENTITYin reproductive cells
c. HTMLENTITY#8203HTMLENTITYas a result of exposure to a chemical agent
d. HTMLENTITY#8203HTMLENTITYas a result of UV light
e. HTMLENTITY#8203HTMLENTITYbecause of the type of pollen the bee collected
Heritable traits that give an individual some advantage over other individuals in the
population are called adaptive traits.
a. True
b. False
Sharks are especially vulnerable to population declines because ____.
a. they cannot tolerate changes in water temperature
b. they are susceptible to many more diseases than most species
c. they often deplete the populations of their prey
d. they grow slowly, mature late, and have only a few offspring per generation
e. they are prey for so many species
What is the best approach to reducing flood damage?
HTMLENTITY#8203HTMLENTITY
a. HTMLENTITY#8203HTMLENTITYfunding scientific research on flood prevention
b. HTMLENTITY#8203HTMLENTITYeducation of the public
c. HTMLENTITY#8203HTMLENTITYavoid living on floodplains
d. HTMLENTITY#8203HTMLENTITYprevention through preserving natural
environments
e. control through engineering solutionsHTMLENTITY#8203HTMLENTITY
Explain what causes an oxygen sag curve and how this can impact natural populations
in that ecosystem.
Carnivores such as tigers, hawks and killer whales that feed on the flesh of other
carnivores are known as _______________ consumers.
The United States has not signed or ratified the ____________________ treaty.
ANSWER: HTMLENTITY#8203HTMLENTITY
A(n) ____________________ forms when a preexisting rock is subjected to high
temperatures, high pressures, chemically active fluids, or a combination of these agents.
In the accompanying figure, in what age range are men more likely to die from AIDS
than females?
How much solid waste does the U.S. generate, compared to the rest of the world?
A sequence of organisms, each of which serves as a source of nutrients or energy for the
next, is called a(n) ____________________.
Within some DNA molecules are certain sequences of nucleotides called
The chemical formula for glucose
Sea lampreys attach themselves to fish such as trout.
Why do viceroy butterflies mimic the appearance of monarch butterflies?
Some ____________________ have led to herbicideresistant superweeds, some of
which can rapidly grow more than 2 meters (7 feet) tall.
Subatomic particle with a negative charge
On the generalized population age structure figure, choose the diagram that shows a
declining population.
The United States primarily uses ____________________ agriculture for food
production.