Ducks Unlimited Final tests(100% Top Score) Questions And Correct Verified Answers
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Course
Ducks Unlimited
Institution
Ducks Unlimited
Control weeds and aerate soil - CORRECT ANSWER Tillage is primarily used for which of the following?
20 to 40 percent - CORRECT ANSWER How much of the earth's land surface is covered with grasslands?
Provide very important habitat for wildlife
Filter runoff from precipitation
Build deep a...
Ducks Unlimited Final tests(100% Top Score)
Questions And Correct Verified Answers
Control weeds and aerate soil - CORRECT ANSWER Tillage is primarily used for
which of the following?
20 to 40 percent - CORRECT ANSWER How much of the earth's land surface is
covered with grasslands?
Provide very important habitat for wildlife
Filter runoff from precipitation
Build deep and rich soils
Store carbon dioxide from the atmosphere - CORRECT ANSWER Select all the
services grasslands provide
Forest and desert - CORRECT ANSWER Grasslands typically exist between which of
the following?
Lasting effects from Dust Bowl - CORRECT ANSWER Which of the following is NOT a
main threat which plagues grasslands today?
True - CORRECT ANSWER When topsoil is lost, the loss is fairly permanent because
the process to create just three centimeters of topsoil takes about 1,000 years.
Incentives provided to landowners to conserve grassland habitats - CORRECT
ANSWER Which of the following best describes the Farm Bill?
Africa, Australia and South America - CORRECT ANSWER Where are savannas
typically found?
To conserve soils for agricultural production - CORRECT ANSWER Which of the
following is the specific mission of the Natural Resources Conservation Service?
Grass roots decaying below the surface enriches the soil with nutrients - CORRECT
ANSWER Why do temperate grasslands have the most fertile soil on earth?
Swamp - CORRECT ANSWER A wetland with woody plants, saturated/slow moving
water and a lack of oxygen in the soil can be described as a _____.
Hydrological regime
Landscape position
Vegetation cover - CORRECT ANSWER Select all the factors in which a wetland is
classified.
Wetlands provide both commercial and recreational fisheries - CORRECT ANSWER
Wetlands are economically important due to which of the following factors?
, Developing agricultural land - CORRECT ANSWER Wetlands are NOT critical for
which of the following?
Stopping water from naturally changing course - CORRECT ANSWER Levees are
most commonly used for which of the following?
False - CORRECT ANSWER Hurricanes do less financial damage, flood further inland
and displace more people when coasts are heavily developed.
Soil runoff
Sedimentation - CORRECT ANSWER Select all the following causes of degradation to
a wetland.
1934 - CORRECT ANSWER Which year was the Duck Stamp Act enacted?
Theodore Roosevelt - CORRECT ANSWER Which president enacted the Farm Bill?
Temporary - CORRECT ANSWER The hooded warbler is a ________ wetland
species.
Greater volume of food production for large food webs - CORRECT ANSWER
Biological productivity includes which of the following?
False - CORRECT ANSWER To be considered a wetland, the area must be covered in
shallow water all year.
Floodplain protection - CORRECT ANSWER Riparian wetlands are particularly
vulnerable to destruction, but serves a vital role in which of the following?
Water Quality Trading - CORRECT ANSWER Which of the following allows
organizations like farmers to be paid to reduce the amount of pollution they discharge?
40 billion - CORRECT ANSWER Recreational activities generate how much money per
year?
Substrate - CORRECT ANSWER Which of the following is NOT a wetland?
Clean Water Act - CORRECT ANSWER Which of the following was enacted to restore
and maintain the chemical, physical and biological integrity of the nation's waters?
Biotic - CORRECT ANSWER _________ factors effects occur through the interaction
of animals, plants and other organisms.
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