1 | Page
Ducks Unlimited Final Exam Practice
Questions and Correct Answers
In what year was the Clean Water and Air Act created? Ans: —
1948
What does NOT influence an organism's niche/survival? Ans: —
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?
Ans: — Conservation Biology
Which of is known to cause primary succession? Ans: — Glacier
Movement
What are positive ecological interactions between organisms. Ans:
— Commensalism and Mutualism
What conducts nitrogen fixation? Ans: — Peanuts, Algae and
Nitrogen- fixing bacteria. Humans DO NOT conduct nitrogen
fixation.
Which of the following best describes respiration? Ans: — Intake
of oxygen to convert glucose to energy
Where is the phosphorus cycle primarily conducted? Ans: — In soil
and plants
Which of the following is NOT a category of wetland biome? Ans:
— Tropical
How would you best describe a pioneer species? Ans: — The first
species to colonize an area in primary succession
© 2025 All rights reserved
, 2 | Page
What can influence an organism's niche/survival? Ans: —
Competition, Mutualism and Parasitism.
What is mutualism? Ans: — symbiosis that is beneficial to both
organisms involved.
What is parasitism? Ans: — One organism benefits and the other is
harmed
What is primary succession? Ans: — 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? Ans: —
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? Ans: — Secondary
succession
In what year was the Federal Water Pollution Control Act
established? Ans: — 1948
Denitrification is an essential step in which of the following
cycles? Ans: — Nitrogen
What is true about chlorophyll? Ans: — It is required in order to
perform photosynthesis
Organisms do NOT require nutrients, or chemical substances,
during what phase? Ans: — Sleep
Organisms require nutrients, or chemical substances, during what
phases? Ans: — Growth, Maintenance and Reproduction
© 2025 All rights reserved
, 3 | Page
Grasslands are dominated by grasses and several species of forbs.
Which of the following best describes a forb? Ans: — Broadleaf
plants and lower shrub vegetation
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? Ans: — 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? Ans: — They
occur in poorly draining low places and along boundaries of
freshwater sources
What best describes high-grading harvest? Ans: — Only cutting the
largest or most valuable tree species in an area
What percent of forests remain in the United States? Ans: — 33%
What is NOT a good reason for conducting a prescribed burn? Ans:
— Preventing wildlife from entering unwanted areas. As this
disrupts natural processes.
What is a description for the logging practice term known as clear
cutting? Ans: — 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? Ans: — Invasive species
impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat
restoration? Ans: — 98
The Agricultural Conservation Easement Program, which retires
cropland and restores the land to grassland, is part of what piece
of legislation? Ans: — The Farm Bill
© 2025 All rights reserved
Ducks Unlimited Final Exam Practice
Questions and Correct Answers
In what year was the Clean Water and Air Act created? Ans: —
1948
What does NOT influence an organism's niche/survival? Ans: —
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?
Ans: — Conservation Biology
Which of is known to cause primary succession? Ans: — Glacier
Movement
What are positive ecological interactions between organisms. Ans:
— Commensalism and Mutualism
What conducts nitrogen fixation? Ans: — Peanuts, Algae and
Nitrogen- fixing bacteria. Humans DO NOT conduct nitrogen
fixation.
Which of the following best describes respiration? Ans: — Intake
of oxygen to convert glucose to energy
Where is the phosphorus cycle primarily conducted? Ans: — In soil
and plants
Which of the following is NOT a category of wetland biome? Ans:
— Tropical
How would you best describe a pioneer species? Ans: — The first
species to colonize an area in primary succession
© 2025 All rights reserved
, 2 | Page
What can influence an organism's niche/survival? Ans: —
Competition, Mutualism and Parasitism.
What is mutualism? Ans: — symbiosis that is beneficial to both
organisms involved.
What is parasitism? Ans: — One organism benefits and the other is
harmed
What is primary succession? Ans: — 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? Ans: —
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? Ans: — Secondary
succession
In what year was the Federal Water Pollution Control Act
established? Ans: — 1948
Denitrification is an essential step in which of the following
cycles? Ans: — Nitrogen
What is true about chlorophyll? Ans: — It is required in order to
perform photosynthesis
Organisms do NOT require nutrients, or chemical substances,
during what phase? Ans: — Sleep
Organisms require nutrients, or chemical substances, during what
phases? Ans: — Growth, Maintenance and Reproduction
© 2025 All rights reserved
, 3 | Page
Grasslands are dominated by grasses and several species of forbs.
Which of the following best describes a forb? Ans: — Broadleaf
plants and lower shrub vegetation
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? Ans: — 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? Ans: — They
occur in poorly draining low places and along boundaries of
freshwater sources
What best describes high-grading harvest? Ans: — Only cutting the
largest or most valuable tree species in an area
What percent of forests remain in the United States? Ans: — 33%
What is NOT a good reason for conducting a prescribed burn? Ans:
— Preventing wildlife from entering unwanted areas. As this
disrupts natural processes.
What is a description for the logging practice term known as clear
cutting? Ans: — 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? Ans: — Invasive species
impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat
restoration? Ans: — 98
The Agricultural Conservation Easement Program, which retires
cropland and restores the land to grassland, is part of what piece
of legislation? Ans: — The Farm Bill
© 2025 All rights reserved
