Overfishing of stocks of fish species, like salmon and cod, production.
in an effort to meet a growing global demand has become
an international concern. A recent estimate indicates that
the average annual consumption of fish globally in 2014 Which of the following statements best summarizes the
was about twice the consumption in 1960. Because of author's predictions for how humans will meet the future
increased concerns about the impact of overfishing, nutritional needs of a growing population using current
fishery managers are looking for ways to protect wild agricultural technology? - ANSWER -Humans have
populations while still satisfying global demand for food for maximized the crop yield with improving technology and
human consumption. the implementation of modern genetic techniques to
Aquaculture or fish farming can be used to increase the further increase crop productivity and resilience in order to
availability of species like salmon and shrimp for meet the demand.
consumption. Although fish farming can have a number of
negative environmental effects, it does offer a number of
advantages. Which of the following is a valid reason for Which of the following best describes the concept of the
promoting the use of fish farms? - ANSWER -Fish tragedy of the commons? - ANSWER -The aim of
production is constant, and fish farming reduces pressure large logging operations in tropical rain forests is
on wild stocks. economic gain, rather than sustainability. Therefore, the
shared resources in the forest could become depleted.
Three common methods of beef production include using
rangelands, pasture, and feedlots. The environmental Humans consume a variety of protein products, each with
impacts of these different methods for a variety of a different carbon footprint based on a variety of factors.
variables is compared in the graph below. Which of the following claims is best supported by the data
Which of the following claims is best supported by the in the graph? - ANSWER -Grass-fed beef has the
data in the graph? - ANSWER -Feedlots have high highest carbon-equivalent footprint because of land-use
levels of pesticide use and energy consumption as a changes to create pasture land combined with
result high demands for grain production contributions from transportation, processing, manure
treatment, making fertilizers, and digestive fermentation
processes.
Which of the following is an example of an industrial
practice that contributes to the tragedy of the commons? -
ANSWER -Burning fossil fuels for energy production international concern. A recent estimate indicates that the
average annual consumption of fish globally in 2014 was
about twice the consumption in 1960. Because of
After intensive logging, most of the trees along a stream increased concerns about the impact of overfishing,
have been removed. Which of the following water quality fishery managers are looking for ways to protect wild
changes would most likely occur downstream after populations while still satisfying global demand for food for
logging? - ANSWER -Increased water temperature human consumption.
Which of the following techniques could best reduce the
harmful effects of overfishing if it were to be widely
Which of the following is an assumption made by the adopted by the fishing industry? - ANSWER -
author regarding the use of genetically modified crops? - Increased use of large-mesh gill nets for harvesting
ANSWER -The amount of arable land will remain salmon and trout
relatively constant, and the growing human population will
have enough food if more crops can be harvested from
the same amount of land. Which of the following would decrease with the
manufacture, application, and use of synthetic fertilizers
rather than organic fertilizers? - ANSWER -Recycling
The green revolution has improved global agricultural of organic matter
output. Which of the following best describes the author's
perspective on the beginning of the green revolution in the
1970s and 1980s? - ANSWER -The green revolution The hog-farming industry maintains production levels to
was successful because of selective breeding, which satisfy the demand for pork. Which of the following
improved nutritional value and crop yield to increase food methods of meat production would provide the most likely
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