Ducks Unlimited Final Exam Practice
Questions and Answers 100% Pass
In what year was the Clean Water and Air Act created? - ✔✔1948
What does NOT influence an organism's niche/survival? - ✔✔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? - ✔✔Conservation Biology
Which of is known to cause primary succession? - ✔✔Glacier Movement
What are positive ecological interactions between organisms. - ✔✔Commensalism and
Mutualism
What conducts nitrogen fixation? - ✔✔Peanuts, Algae and Nitrogen- fixing bacteria.
Humans DO NOT conduct nitrogen fixation.
Which of the following best describes respiration? - ✔✔Intake of oxygen to convert
glucose to energy
Where is the phosphorus cycle primarily conducted? - ✔✔In soil and plants
Which of the following is NOT a category of wetland biome? - ✔✔Tropical
How would you best describe a pioneer species? - ✔✔The first species to colonize an
area in primary succession
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,What can influence an organism's niche/survival? - ✔✔Competition, Mutualism and
Parasitism.
What is mutualism? - ✔✔symbiosis that is beneficial to both organisms involved.
What is parasitism? - ✔✔One organism benefits and the other is harmed
What is primary succession? - ✔✔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? - ✔✔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? - ✔✔Secondary
succession
In what year was the Federal Water Pollution Control Act established? - ✔✔1948
Denitrification is an essential step in which of the following cycles? - ✔✔Nitrogen
What is true about chlorophyll? - ✔✔It is required in order to perform photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? -
✔✔Sleep
Organisms require nutrients, or chemical substances, during what phases? -
✔✔Growth, Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the
following best describes a forb? - ✔✔Broadleaf plants and lower shrub vegetation
Grassland Habitat - ✔✔
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, 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? - ✔✔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? - ✔✔They occur in poorly draining
low places and along boundaries of freshwater sources
What best describes high-grading harvest? - ✔✔Only cutting the largest or most
valuable tree species in an area
What percent of forests remain in the United States? - ✔✔33%
What is NOT a good reason for conducting a prescribed burn? - ✔✔Preventing wildlife
from entering unwanted areas. As this disrupts natural processes.
What is a description for the logging practice term known as clear cutting? -
✔✔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? - ✔✔Invasive species impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat restoration? - ✔✔98
The Agricultural Conservation Easement Program, which retires cropland and restores
the land to grassland, is part of what piece of legislation? - ✔✔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? - ✔✔Rotational Crops: varying the crops grown in each field
from year to year
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
Questions and Answers 100% Pass
In what year was the Clean Water and Air Act created? - ✔✔1948
What does NOT influence an organism's niche/survival? - ✔✔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? - ✔✔Conservation Biology
Which of is known to cause primary succession? - ✔✔Glacier Movement
What are positive ecological interactions between organisms. - ✔✔Commensalism and
Mutualism
What conducts nitrogen fixation? - ✔✔Peanuts, Algae and Nitrogen- fixing bacteria.
Humans DO NOT conduct nitrogen fixation.
Which of the following best describes respiration? - ✔✔Intake of oxygen to convert
glucose to energy
Where is the phosphorus cycle primarily conducted? - ✔✔In soil and plants
Which of the following is NOT a category of wetland biome? - ✔✔Tropical
How would you best describe a pioneer species? - ✔✔The first species to colonize an
area in primary succession
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,What can influence an organism's niche/survival? - ✔✔Competition, Mutualism and
Parasitism.
What is mutualism? - ✔✔symbiosis that is beneficial to both organisms involved.
What is parasitism? - ✔✔One organism benefits and the other is harmed
What is primary succession? - ✔✔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? - ✔✔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? - ✔✔Secondary
succession
In what year was the Federal Water Pollution Control Act established? - ✔✔1948
Denitrification is an essential step in which of the following cycles? - ✔✔Nitrogen
What is true about chlorophyll? - ✔✔It is required in order to perform photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? -
✔✔Sleep
Organisms require nutrients, or chemical substances, during what phases? -
✔✔Growth, Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the
following best describes a forb? - ✔✔Broadleaf plants and lower shrub vegetation
Grassland Habitat - ✔✔
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, 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? - ✔✔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? - ✔✔They occur in poorly draining
low places and along boundaries of freshwater sources
What best describes high-grading harvest? - ✔✔Only cutting the largest or most
valuable tree species in an area
What percent of forests remain in the United States? - ✔✔33%
What is NOT a good reason for conducting a prescribed burn? - ✔✔Preventing wildlife
from entering unwanted areas. As this disrupts natural processes.
What is a description for the logging practice term known as clear cutting? -
✔✔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? - ✔✔Invasive species impacting forest health
What percentage of Duck Stamp sales goes to supporting habitat restoration? - ✔✔98
The Agricultural Conservation Easement Program, which retires cropland and restores
the land to grassland, is part of what piece of legislation? - ✔✔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? - ✔✔Rotational Crops: varying the crops grown in each field
from year to year
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
