Ducks Unlimited Final Exam Practice Questions
with Correct Answers and Explanations
In what year was the Clean Water and Air Act created? - Answer 1948
What does NOT influence an organism's niche/survival? - Answer Commensalism- one benefits and the
other derives neither benefit nor harm
According to the presentation, ecosystem management was broadened by the establishment of which
of the following in 1978? - Answer Conservation Biology
Which of is known to cause primary succession? - Answer Glacier Movement
What are positive ecological interactions between organisms. - Answer Commensalism and Mutualism
What conducts nitrogen fixation? - Answer Peanuts, Algae and Nitrogen- fixing bacteria. Humans DO
NOT conduct nitrogen fixation.
Which of the following best describes respiration? - Answer Intake of oxygen to convert glucose to
energy
Where is the phosphorus cycle primarily conducted? - Answer In soil and plants
Which of the following is NOT a category of wetland biome? - Answer Tropical
How would you best describe a pioneer species? - Answer The first species to colonize an area in
primary succession
What can influence an organism's niche/survival? - Answer Competition, Mutualism and Parasitism.
What is mutualism? - Answer symbiosis that is beneficial to both organisms involved.
,What is parasitism? - Answer One organism benefits and the other is harmed
What is primary succession? - Answer Succession that begins in an area with no remnants of an older
community. The first to find habitat in an area.
What wetlands is dominated by emergent vegetation? - Answer Marshes
A large plot of land in a grassland ecosystem was converted for agriculture. After four decades of
agricultural use the land was abandoned and began to revert to its original grassland state. This is an
example of which of the following? - Answer Secondary succession
In what year was the Federal Water Pollution Control Act established? - Answer 1948
Denitrification is an essential step in which of the following cycles? - Answer Nitrogen
What is true about chlorophyll? - Answer It is required in order to perform photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? - Answer Sleep
Organisms require nutrients, or chemical substances, during what phases? - Answer Growth,
Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the following best describes
a forb? - Answer Broadleaf plants and lower shrub vegetation
Grassland Habitat - Answer
Forests are responsible for storing large amounts of carbon. However, there are some cases in which
forests can also release significant amounts of carbon into the atmosphere. When does this typically
occur? - Answer Trees release carbon when decaying, so when areas experience deforestation large
amounts of a forest's sequestered carbon will be released back into the atmosphere
, Which is a true statement about non-tidal marshes? - Answer They occur in poorly draining low places
and along boundaries of freshwater sources
What best describes high-grading harvest? - Answer Only cutting the largest or most valuable tree
species in an area
What percent of forests remain in the United States? - Answer 33%
What is NOT a good reason for conducting a prescribed burn? - Answer Preventing wildlife from entering
unwanted areas. As this disrupts natural processes.
What is a description for the logging practice term known as clear cutting? - Answer Logging all trees of
the same age in one area. Meaning, cutting down all the trees, regardless of how old or valuable they
are.
Which of the following best describes kudzu and garlic mustard found in North American forests? -
Answer Invasive species impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat restoration? - Answer 98
The Agricultural Conservation Easement Program, which retires cropland and restores the land to
grassland, is part of what piece of legislation? - Answer The Farm Bill
In order to maintain a healthy balance of nutrients in the soil, Sam plants corn in the spring and
soybeans in the fall. This is known as which of the following sustainable agricultural methods? - Answer
Rotational Crops: varying the crops grown in each field from year to year
The Civilian Conservation Corps was created to repair damaged environments and improve
unemployment as part of which of the following conservation acts? - Answer National Economic
Restoration Plan
with Correct Answers and Explanations
In what year was the Clean Water and Air Act created? - Answer 1948
What does NOT influence an organism's niche/survival? - Answer Commensalism- one benefits and the
other derives neither benefit nor harm
According to the presentation, ecosystem management was broadened by the establishment of which
of the following in 1978? - Answer Conservation Biology
Which of is known to cause primary succession? - Answer Glacier Movement
What are positive ecological interactions between organisms. - Answer Commensalism and Mutualism
What conducts nitrogen fixation? - Answer Peanuts, Algae and Nitrogen- fixing bacteria. Humans DO
NOT conduct nitrogen fixation.
Which of the following best describes respiration? - Answer Intake of oxygen to convert glucose to
energy
Where is the phosphorus cycle primarily conducted? - Answer In soil and plants
Which of the following is NOT a category of wetland biome? - Answer Tropical
How would you best describe a pioneer species? - Answer The first species to colonize an area in
primary succession
What can influence an organism's niche/survival? - Answer Competition, Mutualism and Parasitism.
What is mutualism? - Answer symbiosis that is beneficial to both organisms involved.
,What is parasitism? - Answer One organism benefits and the other is harmed
What is primary succession? - Answer Succession that begins in an area with no remnants of an older
community. The first to find habitat in an area.
What wetlands is dominated by emergent vegetation? - Answer Marshes
A large plot of land in a grassland ecosystem was converted for agriculture. After four decades of
agricultural use the land was abandoned and began to revert to its original grassland state. This is an
example of which of the following? - Answer Secondary succession
In what year was the Federal Water Pollution Control Act established? - Answer 1948
Denitrification is an essential step in which of the following cycles? - Answer Nitrogen
What is true about chlorophyll? - Answer It is required in order to perform photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? - Answer Sleep
Organisms require nutrients, or chemical substances, during what phases? - Answer Growth,
Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the following best describes
a forb? - Answer Broadleaf plants and lower shrub vegetation
Grassland Habitat - Answer
Forests are responsible for storing large amounts of carbon. However, there are some cases in which
forests can also release significant amounts of carbon into the atmosphere. When does this typically
occur? - Answer Trees release carbon when decaying, so when areas experience deforestation large
amounts of a forest's sequestered carbon will be released back into the atmosphere
, Which is a true statement about non-tidal marshes? - Answer They occur in poorly draining low places
and along boundaries of freshwater sources
What best describes high-grading harvest? - Answer Only cutting the largest or most valuable tree
species in an area
What percent of forests remain in the United States? - Answer 33%
What is NOT a good reason for conducting a prescribed burn? - Answer Preventing wildlife from entering
unwanted areas. As this disrupts natural processes.
What is a description for the logging practice term known as clear cutting? - Answer Logging all trees of
the same age in one area. Meaning, cutting down all the trees, regardless of how old or valuable they
are.
Which of the following best describes kudzu and garlic mustard found in North American forests? -
Answer Invasive species impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat restoration? - Answer 98
The Agricultural Conservation Easement Program, which retires cropland and restores the land to
grassland, is part of what piece of legislation? - Answer The Farm Bill
In order to maintain a healthy balance of nutrients in the soil, Sam plants corn in the spring and
soybeans in the fall. This is known as which of the following sustainable agricultural methods? - Answer
Rotational Crops: varying the crops grown in each field from year to year
The Civilian Conservation Corps was created to repair damaged environments and improve
unemployment as part of which of the following conservation acts? - Answer National Economic
Restoration Plan
