True/False
Indicate whether the
sentence or statement is true or false.
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1. |
Population size is the only factor that determines human carrying
capacity.
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2. |
An
ecological footprint measures how much land and water an ecosystem occupies.
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3. |
People can potentially obtain more food energy by consuming from
the lower trophic levels of a food chain.
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4. |
Drip
irrigation is much more efficient than flood irrigation.
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5. |
The
public should not worry about preventing pollution because there are
methods for cleaning it up.
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6. |
High-throughput societies are more sustainable than low-throughput
societies.
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7. |
Human
population growth has remained steady as a result of high fertility
rates in many countries around the world.
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8. |
Food
scarcity is one of the major challenges faced by an unsustainable global
economy.
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9. |
The
vast majority of wastes in Ontario biodegrade quickly in landfills.
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10. |
Images from NASA’s Terra Spacecraft shows that air pollution
is no longer a problem.
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Multiple Choice
Identify
the letter of the choice that best completes the statement or answers
the question.
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11. |
An
individual with a small ecological footprint would practise which of
the following activities?
a. |
have
high resource consumption |
b. |
eat large amounts of imported foods |
c. |
leave
the water running while brushing teeth |
d. |
use solar-powered technologies |
e. |
build
a home on fertile agricultural land |
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12. |
Why
is desalinization not a feasible method for increasing the supply of
fresh water?
a. |
too
expensive |
b. |
produces a large amount of waste |
c. |
consumes
a great deal of energy |
d. |
all of the above |
e. |
none
of the above |
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13. |
To
increase the amount of energy available from food, which of the following
strategies can people pursue?
a. |
Eat
earlier in the food chain. |
b. |
Eat farther along the food chain. |
c. |
Eat
more meat products. |
d. |
Drink more water. |
e. |
Take
more vitamins. |
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14. |
According to the demographic transition model, what happens to
population size as societies move from agricultural production to industrialization?
a. |
It
increases as death rates exceed birth rates. |
b. |
It decreases as death rates exceed birth
rates. |
c. |
It increases as birth rates exceed death
rates. |
d. |
It stabilizes with no changes in birth and
death rates. |
e. |
It stabilizes as birth and death rates are
balanced. |
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15. |
Which
of the following does not represent a probable result of global warming?
a. |
The
global average surface temperature has increased by 0.6°C. |
b. |
Snow
cover and extent of ice have decreased in the north and south
polar regions. |
c. |
The
global average sea level has risen. |
d. |
Ocean heat content has decreased. |
e. |
An
increased CO2 concentration in the atmosphere. |
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16. |
In
The Population Bomb, what statement did Ehlrich make that turned
out to be false?
a. |
Millions
of people would deplete the planet of its valuable resources. |
b. |
There
are plenty of resources to sustain millions of people. |
c. |
Famine
would lead to the death of millions of people. |
d. |
Human population grows exponentially while
food production grows arithmetically. |
e. |
The world’s population would become
stable. |
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17. |
Restoration ecology involves which two strategies?
a. |
bioremediation
and desalinization |
b. |
augmenting ecosystem processes and desalinization |
c. |
bioremediation and augmenting ecosystem
processes |
d. |
desalinization and irrigation |
e. |
bioremediation
and irrigation |
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