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Exam 2 Review Flashcards | StudBud
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Exam 2 Review
Exam 2 Review
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1
A confined aquifer is...
when a sinkhole causes an aquifer to break
an aquifer is surrounded by rock that water cannot travel through
when there is an underground cavern caused by an aquifer
when water passes directly from the ground to the aquifer
2
GMO stands for...
Genetic Mode Only
Grown More Often
Grown Manually Ontario
Genetically Modified Organism
3
Eutrophication causes
Animals in the ocean to thrive
Thermal pollution
Healthy water conditions
Low oxygen "Dead" Zones
4
The top of the saturated zone is called the
impermeable layer.
water table.
zone of precipitation.
bedrock.
5
What is allowed in National Forests?
Fishing
Hiking
All of the above
Logging
6
Desertification is...
Is when people die in Deserts
When you are abandoned
The process fertile land becoming unable to support plants.
The process of land which was once a desert becomes fertile.
7
What are the benefits of drip irrigation?
Filters the ocean
Provides a sustainable ecosystem for insects
Minimizes green house gases
It saves water and minimizes soil erosion
8
groundwater recharge is the result of
aquifers
precipitation
intrusion
springs
9
What is an invasive species?
An introduced species with no limiting factors
An intentionally introduced species
An introduced species that cannot survive in its new habitat
One that eats other species and reduces their populations
10
What is a genetically modified organism?
an organism whose DNA was modified by combining DNA of different species
an organism that evolved through natural selection
An organism that was breeded with another species
An organism that cannot evolve further
11
What is a consumptive use of water?
water evaporating from a sprinkler
Flushing a toilet
Collecting rainwater for reuse
Waste heat water collected in a pond
12
In the Hadley Cell, where is the warm air rising?
Poles
Equator
60degree latitude
30degree latitude
13
Worldwide, what percentage of water is used in agriculture?
20%
70%
30%
95%
14
Salinization may be caused by
crop rotation.
long-term irrigation.
All of the above.
high rainfall.
15
What percentage of water on earth is freshwater?
96%
30%
1%
4%
16
Cold air sinks at 30 degrees latitude in a Hadley Cell. What does this cause there?
Uneven heating
Rainforest
Dry conditions
Increased rainfall
17
In the last 200 years, biodiversity has been increasing.
True
False
18
Problems of the Green Revolution include
limited pesticide use
difficulty transporting crops
higher genetic diversity
loss of biodiversity and over use of fertilizer
19
Secondary wastewater treatment involves:
Storm drains collecting runoff
Organisms feeding on dissolved organic matter
Oxygen taken away from the area
filtering of wastewater
20
A key difference between a confined aquifer and an unconfined aquifer?
unconfined aquifers are easily polluted; confined aquifers are cleaner
confined aquifers contain a lot of sulfur
unconfined aquifers are protected by layers of solid rock
confined aquifers are close to the surface
21
During waste water treatment, bacteria consume _____ via cellular respiration
phosphorous
water
carbon dioxide
oxygen
22
Overharvesting is.....
when too many crops are harvested during a season
when a harvest is larger than expected for the year
all of the above
when a species is hunted or fished almost to extinction
23
What is a benefit of GMOs?
less fuel consumption
Avoidance of pests/disease
All of the above
Efficient food production
24
Chlorine is added to drinking water to...
kill pathogens
filter organic matter
improve bone strength
make it taste better.
25
What type of soil is in temperate decidious forests?
Oxisol
aridisol
mollisol
Alfisol
26
What Are Some Benefits Of Biodiversity?
More efficient food production
Ecotourism and new medicines
Climate Change
Pollution
27
As air cools, relative humidity decreases (if humidity stays constant)
False
True
28
Nitrogen fixation is...
harmful, and causes massive algae blooms.
Converting nitrogen to phosphorous which is usable for plants
Converting gaseous nitrogen into useable ammonia or nitrate.
The over fertilization of farms.
29
What is the relashionship between temparature and relative humidity?
At a constant humidity, relative humidity is the same as tempature is down
At a constant humidity, relative humidity decreases as temparaturedecreases
At a constant humidity, relative humidity decreases as temparature rises
At a constant humidity, relative humidity rises as tempature rises.
30
What is a non point source of pollution?
a wastewater treatment plant
agricultural runoff
A fertilizer factory
a power plant
31
Primary treatment of wastewater removes __________.
Metals
Debris, gravel and large organic waste
dissolved organic matter
Oxygen
32
The saturated Zone is where all void space is surrounded with water.
True
False
33
The drainage basin is
a small river or stream that joins the larger river
Where the saturated zone meets the unsaturated zone
The area of drained by the river
the point where two rivers meet
34
What is antibiotic resistance?
When it's difficult to choose the right antibiotics
when antibiotics expired
When bacteria are no longer killed by antibiotics
When antibiotics are very efficient
35
How is an invasive species introduced to an area?
humans introduce them unintentionally
humans introduce them either intentionally or unintenionally
humans introduce them intentionally
They migrate to a new area
36
Which soil horizon has the least organic material
R
B
C
A
37
What is the largest cause of biodiversity loss today?
Over harvesting
Introduced Species
Habitat loss
Invasive Species
38
Humus is...
delicious
Dead plants and animals that decompose
light in color
Plants growing on the topsoil
39
Define Biodiversity
small boats
variety of shoes
Variety of life, across genetic, species and ecosystems levels
deformed fish
40
What is fertilizer?
atmospheric nitrogen
nutrients
an herbicide
a chemical to kill unwated bugs
41
The maximum sustainable yield for harvesting a population occurs at
50% of the maximum growth rate
50% of the carrying capacity
the minimum growth rate
100% of the carrying capacity
42
What is a benefit of using dams?
they're cheap
They increase flooding
It increases the channel's maximum capacity
They can produce hydroelectric power
43
Humans get most of our water from ________.
the atmosphere
glaciers
lakes and rivers
aquifers
44
What is relative humidity?
Water in the gas form
How much water vapor is in the air to how much it could hold
How much water vapor is in the air
air
45
Define monoculture:
People that only follow one culture
One kind of corn
Farms that grow only one crop
Farms that grow more than one crop
46
Organic farming does not use_____________.
Artificial fertilizers
All of the above
artificial pesticides
GMOs
47
Which soil horizon has the MOST organic material
D
A
B
C
48
The Green Revolution was
way of fighting soil erosion
change to more sustainable agriculture
a dramatic increase in crop yields
power grab by the Green party in the 1980s
49
CAFO stands for :
Central American Feeding Operations
Concentrated Animal Fruit Operations
Concentrated Animal Feeding Operations
Cheesy Apple Fritters Operation
50
If sewage is dumped into a river and has a BOD of 100 ppm. The DO is 6 ppm. What will happen?
Increased photosynthesis
Increased nutrients
Increased oxygen
Low oxygen
