LSU ENVS 1126 FINAL EXAM QUESTIONS AND
ANSWERS 2025
What main conclusion can be drawn from this graph?
a.
There has only been an increase, but no declines, in
atmospheric carbon dioxide.
b.
Overall, atmospheric carbon dioxide concentrations
have increased.
c.
There is not enough data to draw reliable conclusions
about the atmospheric carbon dioxide.
d.
There is a general downward trend in oceanic carbon
dioxide concentrations. - ...ANSWER... ✔ ✔b.
Overall, atmospheric carbon dioxide concentrations
have increased.
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Currently, there are approximately
_______________________ billion people living on the
planet.
a.
5.4
b.
7.9
c.
8.3
d.
9.3 - ...ANSWER... ✔ ✔b.
7.9
Which of the following hypotheses does not help explain
the "environmentalist's paradox?"
a.
Food production outweighs the effects of lost ecosystem
services.
b.
Human well-being is declining, not improving.
c.
There is a lag time between the loss of ecosystem goods
and services and their impact on human well-being.
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d.
Technology can replace or substitute some ecosystem
services. - ...ANSWER... ✔ ✔b.
Human well-being is declining, not improving.
Which one of the following is NOT one of the vital
concepts that move societies toward a sustainable
future?
a.
Sound science
b.
Sustainability
c.
Stweardship
d.
Security - ...ANSWER... ✔ ✔d.
Security
What term refers to using something indefinitely without
depleting it?
a.
harvestable
b.
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natural
c.
exhaustive
d.
sustainable - ...ANSWER... ✔ ✔d.
sustainable
According to the graph, what happens if experimental
results do NOT support a scientist's hypothesis?
a.
Other scientists will try to replicate the results.
b.
The scientist must formulate a new hypothesis.
c.
The hypothesis becomes a theory.
d.
The results are immediately published in a journal. -
...ANSWER... ✔ ✔b.
The scientist must formulate a new hypothesis.
What is tested when the scientific method is used?