CORRECT
1. What is an ecosystem? a location on earth that includes interacting living (biotic) and
non-liv-
ing (abiotic) components.
2. What percentage of only 10% of energy is transferred from one trophic level to
ener- gy is lost as another.
trophic level
increases?
3. What is the Tragedy of the The destruction of a natural habitat known as a common
that was
Commons? pollutants?
4. The addition of a 8. What are the effects of acid
limit- ing nutrient to deposition?
an ecosys- tem may
lead to an al-
gal bloom. What effect will
this algal bloom have
on the oxygen
content of the water?
5. What has the largest
im- pact on the
resilience of an
ecosystem?
6. What process of
selection can be
controlled most di-
rectly by humans?
7. what are the
primary air
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vergrazed by sheep
he algae bloom will cause the oxygen
content of the water to de- crease,
leading to hypoxic conditions
he amount of genetic biodiversity of the
ecosystem.
rtificial selection
arbon Monoxide, Nitrogen Dioxide, Sulfur
Dioxide, Lead
owers PH of water, Decreases species
diversity of aquatic organisms, damages
statues and buildings, mobilizing metals
that are found in the water
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9. Why do we have a season- Photosynthesis
al fluctuation in carbon
dioxide concentration?
10. Name the 6 primary sulfur dioxide, nitrogen oxide, carbon monoxide, particulate
pol- lutants matter, tropospheric ozone, lead
regulated by the
Clean Air Act
burning fossil fuels leading to higher carbon dioxide
11. Name two concentrations, farming and forestry, cement manufacture,
anthropogenic aerosols (CFCs)
greenhouse gases
troposphere
12. In which atmospheric
re- gion is Ozone (O3)
harm- ful?
13. Why are CFCs so harmful? thing out the stratospheric ozone layer which can increase
the UV-B
radiation and produce a major hole in the ozone layer
14. When sunlight Ozone (O3)
combines with NOx,
Sox, and VOC what is
the result?
rising of sea levels, melting of polar ice caps, melting of
15. Name 3 consequences permafrost, storm intensity increase, human health attected
of warming by heat, crop dam- age
temperatures to the
environment? Sulfur Dioxide
16. What is cited s the
causative factor for
acid deposition?