Environmental science exam 2 – Flashcards
Unlock all answers in this set
Unlock answersquestion
______ are best defined as substances that cause cancer
answer
carcinogens
question
the worldwide drop in sperm counts among men has been attributed to ______
answer
endocrine disruptors
question
______ are best defined as substances that cause birth defects
answer
teratogens
question
National Geographic author David Duncan Ewing's blood tested particularly positive for PDBEs, which are primarily used as _______
answer
flame retardents
question
The Yaqui Valley, Mexico, study showed that _________
answer
development delays occurred in children exposed to pesticides
question
From the 1940s to the 1970s, General Electric Company legally dumped large amounts of _______ into the Hudson River
answer
PCBs
question
about 2.5% of all the water on earth is freshwater and _________
answer
most of this exists as glacial ice
question
Which states contain part of the Ogallala aquifer?
answer
nebraska, texas, oklahoma, kansas
question
one health concern of eating top predator fish like swordfish is the ingestion of _______
answer
mercury
question
Bisphenol-A is
answer
an estrogen mimic that is used in plastic manufacturing
question
regions where groundwater flow is concentrated through fissures and conduits dissolved in the bedrock (such as caves) are known as ________ landscapes
answer
karst
question
in the movie Tapped, which large corporation was portrayed bottling water pumped from aquifers in Maine against the protest of area residents?
answer
Nestle
question
Lead can enter the atmosphere as a particulate pollutant (such as with burning leaded gas). This is a problem because lead _________
answer
causes central nervous system malfunction in humans and other organisms
question
you want to maintain a healthy pond at your local park. last year another pond became eutrophic; to avoid that, you want to specifically _____
answer
avoid increasing phosphorous in the limnetic zone
question
the Sumatran rhinoceros is distinguished from the other 4 living species of rhinos by its possession of _______
answer
a coat of shaggy hair
question
the current human population is approximately ______
answer
6.9 billion people
question
if a population doubles in the course of 70 years, its annual growth rate would be closest to _______
answer
1%
question
what are the 5 most populous nations?
answer
Brazil, U.S., Indonesia, China, India
question
replacement fertility
answer
is equal to 2.1 in stable populations
question
declining death rates due to increased food production and improved medical care while birth rates remain high is characteristic of the _______ stage
answer
transitional
question
the current population growth rate of china is closest to ______%?
answer
.6%
question
during most of our species' ~160,000 year existence, and until about 10,000 years ago, we largely depended on ______ to provide the food for our survival
answer
hunting and gathering
question
______ is the term that describes the raising of aquatic organisms for food in controlled environments
answer
aquaculture
question
the zone beneath the A horizon, where leaching has deposited materials, is called the _____
answer
B horizon
question
The O horizon is ____
answer
primarily composed of organic material
question
As discussed in lecture, the word "clay" formally refers to _______
answer
the smallest soil particle size, and a certain type of mineral
question
in King Corn, industrialized agriculture is portrayed as an unstoppable force driven, in large part by _____
answer
cheap food policy
question
The particle size intermediate between clay and sand is _____
answer
silt
question
a geologic medium that tramits groundwater at a rate sufficient to maintain water levels in a pumped well is called ______
answer
aquifer
question
Raising ______ requires the most land and water, all else being equal.
answer
beef cattle
question
the application of anhydrous amonia to crop fields is done to increase the availability of the key nutrient _____
answer
nitrogen
question
plants with showy flowers typically ______
answer
are pollinated by animals
question
which is not one of the 5 nations growing GM corn?
answer
canada, ITALY!!, U.S., brazil, argentina
question
the role of zoning is to ____
answer
classify areas for different types of developing and land use
question
the largest global use of freshwater by humans is for _____
answer
agricultural irrigation
question
seed banks are important for _____
answer
protecting genetic diversity
question
we build dams for all the following
answer
provide irrigation water, generate electricity, prevent floods, provide drinking water
question
household sink, laundry, and shower water, operationally known as ____ water, can be used to flush toilets
answer
gray
question
form a strict ecological perspective we could feed the most people in the world if all people:
answer
were vegetarians
question
the approximate percentage of women in the global population is:
answer
50%
question
the first bottled water product to become popular in the U.S. in the 1970s was:
answer
Perrier
question
The new urbanism tries to _____
answer
develop walkable communities, with homes and businesses close together
question
corn has its origins in the Oaxaca region of southern ______
answer
mexico
question
Alligators from Lake Apopka, _____ have been documented as suffering from endocrine disruption of carious types.
answer
Florida
question
How did the city of Curitiba, Brazil maintain the lawns in its parks?
answer
lawns were grazed by sheep
question
which state is not part of the colorado river compact?
answer
oregon! colorado, utah, california and arizona all are
question
in king corn, the 2 central characters move to ______ and grow 1 acre of corn
answer
iowa
question
in Curitiba, Brazil, trash and recyclable material can be redeemed by citizens for ______
answer
bus tokens
question
the "blue-baby" syndrome that suffocates infants is a consequence of excess ______ in the municipal water supply
answer
nitrates
question
what is portrayed as the best solution for the long-term sustainability of Brazil's soils?
answer
no-till farming methods
