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NSC 150 EXAM 4 QUESTIONS WITH ANSWERS.
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NSC 150 EXAM 4 QUESTIONS WITHANSWERS.
Crop production in the lower forty-eight states covers what percentage of land?18%
Genetically engineered corn and soybeans made up what percentages of cropland in the U.S. in 2012?
88% and 93%
Which of the following are problems associated with industrial crop production? Mark all that
apply.Nutrient runoff from overuse of fertilizer can cause waterways to become hypoxic and can thus
lead to die-offs of aquatic creatures.
Organic farming involves...Production according to strict criteria established by the USDA.
Genetic engineering has reduced not only insecticide use in the U.S., but herbicide use as well.false
Industrial farming includes...planting large monoculture fields, replacing people with machinery, and the
use of chemical fertilizers
Agricultural crops including soy, corn, wheat, rice, and cotton, produced at a large scale are
called ...commodity crops
Many commodity farms rely significantly on government economic supporttrue
The science and practice of applying ecological principles to agriculture to work with nature and
conserve ecological integrity is called __________ or often sustainable agriculture.agroecology
Multiple resources needed to grow food face increasingly limited supply. Mark all that apply.Fossil fuel,
Arable land, Farmers, and Fresh water
, Americans consume more than twice the amount of animal products as the Chinese.true
Which of the following are direct health effects experienced particularly by people living near IFAP
facilities? (Choose 2)Reproductive harms, blue baby syndrome, diabetes, and thyroid conditions from
drinking water contaminated with nitrites.
Depression and anxiety due to bad odors.
60% of North American cropland is devoted to growing feed crops, primarily for animals raised in IFAP
operations.ture
Open ocean aquaculture has the potential to feed large numbers of people, but it has similar
environmental and public health problems to raising food animals on land. Which of the following is
NOT a problem with open ocean aquaculture?Juvenile fish are always hatched in-land and then brought
to the ocean pens for stocking, thereby preserving wild populations.
Swine, poultry, and cattle raised in U.S. IFAP operations generate how much more solid waste than
humans?40 times
Large facilities (1000 cattle, 10,000 swine, 125,000 chickens) in which animals are confined and fed or
maintained for at least forty-five days out of the year are called __________.concentrated animal
feeding operations
__________ occurs when companies merge with other companies in the same enterprise or stage of the
supple chain.Horizontal integration
The quantities of animal waste generated at industrialized food animal production (IFAP) operations
generally far exceed what can be absorbed by the surrounding land.true
Deadzones, or areas of water with insufficient oxygen to support the life of most organisms are
attributed to __________.Water pollution from animal waste
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