Ducks Unlimited Final Exam Practice
UPDATED ACTUAL Exam Questions and
CORRECT Answers
In what year was the Clean Water and Air Act created? - CORRECT ANSWER - 1948
What does NOT influence an organism's niche/survival? - CORRECT 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? - CORRECT ANSWER - Conservation Biology
Which of is known to cause primary succession? - CORRECT ANSWER - Glacier
Movement
What are positive ecological interactions between organisms. - CORRECT ANSWER -
Commensalism and Mutualism
What conducts nitrogen fixation? - CORRECT ANSWER - Peanuts, Algae and Nitrogen-
fixing bacteria. Humans DO NOT conduct nitrogen fixation.
Which of the following best describes respiration? - CORRECT ANSWER - Intake of
oxygen to convert glucose to energy
Where is the phosphorus cycle primarily conducted? - CORRECT ANSWER - In soil and
plants
Which of the following is NOT a category of wetland biome? - CORRECT ANSWER -
Tropical
,How would you best describe a pioneer species? - CORRECT ANSWER - The first
species to colonize an area in primary succession
What can influence an organism's niche/survival? - CORRECT ANSWER - Competition,
Mutualism and Parasitism.
What is mutualism? - CORRECT ANSWER - symbiosis that is beneficial to both
organisms involved.
What is parasitism? - CORRECT ANSWER - One organism benefits and the other is
harmed
What is primary succession? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER - Secondary succession
In what year was the Federal Water Pollution Control Act established? - CORRECT
ANSWER - 1948
Denitrification is an essential step in which of the following cycles? - CORRECT
ANSWER - Nitrogen
What is true about chlorophyll? - CORRECT ANSWER - It is required in order to perform
photosynthesis
, Organisms do NOT require nutrients, or chemical substances, during what phase? - CORRECT
ANSWER - Sleep
Organisms require nutrients, or chemical substances, during what phases? - CORRECT
ANSWER - Growth, Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - CORRECT ANSWER - Broadleaf plants and lower shrub vegetation
Grassland Habitat - CORRECT 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? - CORRECT 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? - CORRECT ANSWER - They occur
in poorly draining low places and along boundaries of freshwater sources
What best describes high-grading harvest? - CORRECT ANSWER - Only cutting the
largest or most valuable tree species in an area
What percent of forests remain in the United States? - CORRECT ANSWER - 33%
What is NOT a good reason for conducting a prescribed burn? - CORRECT 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? - CORRECT
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.
UPDATED ACTUAL Exam Questions and
CORRECT Answers
In what year was the Clean Water and Air Act created? - CORRECT ANSWER - 1948
What does NOT influence an organism's niche/survival? - CORRECT 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? - CORRECT ANSWER - Conservation Biology
Which of is known to cause primary succession? - CORRECT ANSWER - Glacier
Movement
What are positive ecological interactions between organisms. - CORRECT ANSWER -
Commensalism and Mutualism
What conducts nitrogen fixation? - CORRECT ANSWER - Peanuts, Algae and Nitrogen-
fixing bacteria. Humans DO NOT conduct nitrogen fixation.
Which of the following best describes respiration? - CORRECT ANSWER - Intake of
oxygen to convert glucose to energy
Where is the phosphorus cycle primarily conducted? - CORRECT ANSWER - In soil and
plants
Which of the following is NOT a category of wetland biome? - CORRECT ANSWER -
Tropical
,How would you best describe a pioneer species? - CORRECT ANSWER - The first
species to colonize an area in primary succession
What can influence an organism's niche/survival? - CORRECT ANSWER - Competition,
Mutualism and Parasitism.
What is mutualism? - CORRECT ANSWER - symbiosis that is beneficial to both
organisms involved.
What is parasitism? - CORRECT ANSWER - One organism benefits and the other is
harmed
What is primary succession? - CORRECT 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? - CORRECT 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? - CORRECT ANSWER - Secondary succession
In what year was the Federal Water Pollution Control Act established? - CORRECT
ANSWER - 1948
Denitrification is an essential step in which of the following cycles? - CORRECT
ANSWER - Nitrogen
What is true about chlorophyll? - CORRECT ANSWER - It is required in order to perform
photosynthesis
, Organisms do NOT require nutrients, or chemical substances, during what phase? - CORRECT
ANSWER - Sleep
Organisms require nutrients, or chemical substances, during what phases? - CORRECT
ANSWER - Growth, Maintenance and Reproduction
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - CORRECT ANSWER - Broadleaf plants and lower shrub vegetation
Grassland Habitat - CORRECT 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? - CORRECT 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? - CORRECT ANSWER - They occur
in poorly draining low places and along boundaries of freshwater sources
What best describes high-grading harvest? - CORRECT ANSWER - Only cutting the
largest or most valuable tree species in an area
What percent of forests remain in the United States? - CORRECT ANSWER - 33%
What is NOT a good reason for conducting a prescribed burn? - CORRECT 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? - CORRECT
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.
