Human Impact on Earth Resources
Practice Test
1.
The planting of one species in a field is called __________.
a.
biodiversity
b.
monoculture
c.
carrying capacity
d.
deforestation
2.
What are some of the resources within topsoil?
a.
earthworms
b.
nitrogen-fixing bacteria
c.
trace minerals
d.
All of the answers are correct.
3.
What is the method that uses organisms to clean up toxic waste?
a.
deforestation
b.
monoculture
c.
carrying capacity
d.
bioremediation
4.
What could happen to a population with a growth curve shown?
a.
it would completely die out
b.
limiting factors would stop it from growing
c.
it would never reach its carrying capacity
d.
it would continue to grow forever
5.
What is global warming?
a.
an increase in Earth's average surface temperature
b.
an increase in the concentration of ozone
c.
a decrease in Earth's average surface temperature
d.
a decrease in the amount of deforestation
6.
What is NOT a potential source of pollution for the area shown on the map?
a.
the large urban area at Iris City
b.
the golf courses
c.
the mine
d.
the large number of lakes
7.
Which contribute to the depletion of atmospheric ozone?
a.
propellants from aerosol cans
b.
old refrigerators
c.
cleaning agents
d.
All of the answers are correct.
8.
Which is an example of a density-independent factor?
a.
parasites
b.
a flood
c.
a plague
d.
lack of food
9.
As any population __________, its demand for natural resources __________.
a.
decreases, increases
b.
increases, increases by 50 percent
c.
increases, increases
d.
increases, decreases
10.
__________ and _________ can reduce the environmental impact of deforestation.
a.
Logging everything only in small areas, new species
b.
Minimizing buffer zones, selective logging
c.
Selective logging, increasing buffer zones
d.
Introducing new species, increasing buffer zones
11.
What is the removal of trees without adequate replanting?
a.
deforestation
b.
bioremediation
c.
a monoculture
d.
a carrying capacity
12.
What eventually causes a population to stop increasing in size?
a.
carrying capacity
b.
human impact
c.
limiting factors
d.
death rate
13.
Why is it necessary to use all the sand, liner, and clay layers, shown in the figure?
a.
they keep the smell pleasant
b.
they protect seepage from getting in the groundwater
c.
they help the garbage decay
d.
they make the landfill completely safe
14.
Why are ecosystems with high biodiversity more stable than those with fewer species?
a.
They have a higher number of species.
b.
They have a higher carrying capacity.
c.
They recover from negative events more quickly.
d.
They have a higher growth rate.
15.
If a developer fills in and dries a wetland, what is the developer required to do?
a.
use it only for waste disposal
b.
relocate the species that were occupying that wetland
c.
fill in an additional wetland
d.
build a new wetland
16.
What is ozone?
a.
a molecule that is formed by condensation
b.
acid gas
c.
a gas molecule that is made of three oxygen atoms
d.
a large growing hole
17.
What combines with atmospheric moisture to create acid precipitation?
a.
carbon dioxide and sulfur dioxide
b.
carbon dioxide and ozone
c.
sulfur dioxide and nitrogen oxides
d.
nitrogen oxides and methane
18.
__________ is the photochemical haze that is caused by the action of solar radiation in a polluted atmosphere.
a.
Global warming
b.
Smog
c.
A cloud
d.
Ozone
19.
Which is NOT something that would impact the water by building up the area of land shown in the figures?
a.
oil and gas leaks from cars washing into the river from the parking lot
b.
there would be more erosion on the bare soil
c.
pollutants for fertilizers running into river
d.
an increase in groundwater
20.
What is the primary federal law that protects the waters of the United States?
a.
Ozone Depletion Act of 1981
b.
Clean Water Act of 1972
c.
Clean Air Act of 1990
d.
Safe Drinking Water Act of 1984
