AGN 115 Final Exam Study Guide 100% Correct Answers Verified Latest 2024 Version
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Course
AGN 115
Institution
AGN 115
AGN 115 Final Exam Study Guide | 100% Correct
Answers | Verified | Latest 2024 Version
"Though there is no single, agreed upon set of factors that should be used to create a metric of
sustainability, Drs. Burton and Gliessman both discussed ____ as a useful tool for assessing
agroecosystem sust...
AGN 115 Final Exam Study Guide | 100% Correct
Answers | Verified | Latest 2024 Version
"Though there is no single, agreed upon set of factors that should be used to create a metric of
sustainability, Drs. Burton and Gliessman both discussed ____ as a useful tool for assessing
agroecosystem sustainability based on several dimensions (as opposed to polarizing, mono-dimensional
analyses)
A. an amoeba-type diagram
B. a line graph
C. pie chart
D. soil texture pyramid - ✔✔an amoeba-type diagram
According to Gliessman, the prevailing modern agricultural system is not sustainable. All of the following
are reasons he gives for our unsustainability EXCEPT ___.
A. Loss of genetic diversity due to excessive reliance on traditional, local crop varieties
B. Dependence on non-renewable inputs like inorganic fertilizer and antibiotics
C. Loss of local control over agricultural production
D. Damage to hydrological system caused be excessive groundwater use and nutrient pollution - ✔✔Loss
of genetic diversity due to excessive reliance on traditional, local crop varieties
In Fresh (2009), Mr. and Mrs. Fox ___ (select all that apply).
A. Are independent producers that hatches chicks and grows them to maturity
B. Use a breed of chickens that grows quickly and has high feed use efficiency
C. use Poultry Litter Treatment, which is toxic and a dangerous health risk
D. Do not know much about what's in the feed for the chickens they produce - ✔✔Use a breed of
chickens that grow quickly and has high feed use efficiency
Use Poultry Litter Treatment, which is toxic and a dangerous health risk
Do not know much about what is in the feed for the chickens they produce
,T/F: Norman Borlaug greatly increased yields for farmers in Mexico, India and Pakistan using classical
breeding techniques to produce a rust-resistant, dwarf wheat variety that was especially responsive to
fertilization and irrigation. - ✔✔True
In Fresh, Andrew Kimbrell (Executive Director, The Center for Food Safety) said that new data show that
"medium-sized organic [production systems] are far more productive than any sized conventional
[production systems]"; however, data from recent university studies show that organic systems are
usually ____.
A. trick question; no data exists that make this comparison
B. Similar to or higher in yield than conventional systems
C. Equal to or lower yielding than conventional systems
D. Yield more than twice as much as conventional systems - ✔✔Equal to or lower yielding than
conventional systems
"Reliance on synthetic or mineral fertilizer." This would normally e associated with:
A. Sustainable Agriculture
B. Conventional Agriculture - ✔✔Conventional agriculture
Thomas Malthus, an Anglican rector with a good mind for mathematics, became concerned about the
inevitability of widespread human misery. In a 1798 essay, he forecast that widespread starvation and
conflict would be the result of food production increasing ___ which human reproduction increased ___.
A. Geometrically, linearly
B. Linearly, arithmetically
C. Linearly, exponentially
D. Logarithmically, linearly - ✔✔Linearly, exponentially
T/F: Word choice and selection of sources of information are important indicators of potential bias in
publication, such as Dr. Gliessman's use of the terms "industrial agriculture" and "pesticide treadmill",
and his heavy reliance on the publications of Dr. Pimentel as sources of data. - ✔✔True
The biomass of dead organisms and fecal matter is broken down by ___ and decomposers. (Ch. 2)
A. Autotrophs
, B. Detritivores
C. Political appointees
D. Pericardium - ✔✔Detritivores
"Resilience" is described in the Agroecology text book as "the ability of a community or ecosystem to
reestablish its basic structure and functioning after disturbance and succession". Row crop
agroecosystems are considered to have ___ resilience as compared to natural communities.
A. Greater
B.. Similar
C. Lesser
D. None of the above - row crop systems are not agroecosystems - ✔✔Lesser
T/F: Andrew Kimbrell's (Executive Director, The Center for Food Safety) safety that "in the past 10 years
we have had 100 million more tons of pesticides applied to land, air, and streams", is misleading and
greatly exaggerated compared to data available from the US EPA. - ✔✔True
Except for "Bordeaux mixture" (used on grapes in France since the 1880s), chemical pesticides were
touted as new weapons against pests after ____, so our historical experience with them amounts to
about ____. (Ch. 1)
a. Vietnam War; 35 years
b. World War I; 90 years
c. 1900; 115 years
d. World War II; 70 years - ✔✔World War II; 70 years
T/F: Avoiding the use of farrowing crates for sows (mother pigs) and allowing chickens to "free-range"
outdoors are practices considered by many to be more humane alternatives, but may result in higher
mortality rates of piglets and chickens. - ✔✔True
What effect(s) does large scale export agriculture have on land purchased or rented by International
Investors in "less-developed" countries?
A. Creates new job opportunities and income for farmers through employment opportunities and
increased access to international markets.
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