Ducks Unlimited Final tests EXAM Questions and
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Terms in this set (137)
Control weeds and aerate Tillage is primarily used for which of the following?
soil
How much of the earth's land surface is covered with
20 to 40 percent
grasslands?
Provide very important Select all the services grasslands provide
habitat for wildlife
Filter runoff from
precipitation
Build deep and rich soils
Store carbon dioxide from
the atmosphere
Grasslands typically exist between which of the
Forest and desert
following?
Lasting effects from Dust Which of the following is NOT a main threat which
Bowl plagues grasslands today?
When topsoil is lost, the loss is fairly permanent
True because the process to create just three centimeters
of topsoil takes about 1,000 years.
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, 9/29/25, 6:38 PM Ducks Unlimited Final tests EXAM Questions and Answers (Verified Answers) (Latest Update 2025) UPDATE!! Flashcards | Quizlet
Incentives provided to Which of the following best describes the Farm Bill?
landowners to conserve
grassland habitats
Africa, Australia and South Where are savannas typically found?
America
To conserve soils for Which of the following is the specific mission of the
agricultural production Natural Resources Conservation Service?
Grass roots decaying Why do temperate grasslands have the most fertile
below the surface soil on earth?
enriches the soil with
nutrients
A wetland with woody plants, saturated/slow moving
Swamp water and a lack of oxygen in the soil can be
described as a _____.
Hydrological regime Select all the factors in which a wetland is classified.
Landscape position
Vegetation cover
Wetlands provide both Wetlands are economically important due to which of
commercial and the following factors?
recreational fisheries
Developing agricultural Wetlands are NOT critical for which of the following?
land
Stopping water from Levees are most commonly used for which of the
naturally changing course following?
Hurricanes do less financial damage, flood further
False inland and displace more people when coasts are
heavily developed.
Soil runoff Select all the following causes of degradation to a
Sedimentation wetland.
1934 Which year was the Duck Stamp Act enacted?
Theodore Roosevelt Which president enacted the Farm Bill?
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