Ducks Unlimited Final Exam Prac ce Ques ons and
answers Newest RATED A+ 2025/2026 NEW
In what year was the Clean Water and Air Act created? - Correct Answers 1948
What does NOT influence an organism's niche/survival? - Correct Answers Commensalism-
one benefits and the other derives neither benefit nor harm
According to the presenta'on, ecosystem management was broadened by the establishment of
which of the following in 1978? - Correct Answers Conserva'on Biology
Which of is known to cause primary succession? - Correct Answers Glacier Movement
What are posi've ecological interac'ons between organisms. - Correct Answers
Commensalism and Mutualism
What conducts nitrogen fixa'on? - Correct Answers Peanuts, Algae and Nitrogen- fixing
bacteria. Humans DO NOT conduct nitrogen fixa'on.
Which of the following best describes respira'on? - Correct Answers Intake of oxygen to
convert glucose to energy
Where is the phosphorus cycle primarily conducted? - Correct Answers In soil and plants
Which of the following is NOT a category of wetland biome? - Correct Answers Tropical
How would you best describe a pioneer species? - Correct Answers The first species to
colonize an area in primary succession
,What can influence an organism's niche/survival? - Correct Answers Compe''on, Mutualism
and Parasi'sm.
What is mutualism? - Correct Answers symbiosis that is beneficial to both organisms involved.
What is parasi'sm? - Correct Answers One organism benefits and the other is harmed
What is primary succession? - Correct Answers 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 vegeta'on? - Correct Answers Marshes
A large plot of land in a grassland ecosystem was converted for agriculture. A6er 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 Answers Secondary succession
In what year was the Federal Water Pollu'on Control Act established? - Correct Answers 1948
Denitrifica'on is an essen'al step in which of the following cycles? - Correct Answers
Nitrogen
What is true about chlorophyll? - Correct Answers It is required in order to perform
photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? - Correct
Answers Sleep
, Organisms require nutrients, or chemical substances, during what phases? - Correct Answers
Growth, Maintenance and Reproduc'on
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - Correct Answers Broadleaf plants and lower shrub vegeta'on
Grassland Habitat - Correct Answers
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 Answers Trees release carbon when decaying, so when areas
experience deforesta'on large amounts of a forest's sequestered carbon will be released back
into the atmosphere
Which is a true statement about non-'dal marshes? - Correct Answers They occur in poorly
draining low places and along boundaries of freshwater sources
What best describes high-grading harvest? - Correct Answers Only cu:ng the largest or most
valuable tree species in an area
What percent of forests remain in the United States? - Correct Answers 33%
What is NOT a good reason for conduc'ng a prescribed burn? - Correct Answers Preven'ng
wildlife from entering unwanted areas. As this disrupts natural processes.
What is a descrip'on for the logging prac'ce term known as clear cu:ng? - Correct Answers
Logging all trees of the same age in one area. Meaning, cu:ng down all the trees, regardless of
how old or valuable they are.
answers Newest RATED A+ 2025/2026 NEW
In what year was the Clean Water and Air Act created? - Correct Answers 1948
What does NOT influence an organism's niche/survival? - Correct Answers Commensalism-
one benefits and the other derives neither benefit nor harm
According to the presenta'on, ecosystem management was broadened by the establishment of
which of the following in 1978? - Correct Answers Conserva'on Biology
Which of is known to cause primary succession? - Correct Answers Glacier Movement
What are posi've ecological interac'ons between organisms. - Correct Answers
Commensalism and Mutualism
What conducts nitrogen fixa'on? - Correct Answers Peanuts, Algae and Nitrogen- fixing
bacteria. Humans DO NOT conduct nitrogen fixa'on.
Which of the following best describes respira'on? - Correct Answers Intake of oxygen to
convert glucose to energy
Where is the phosphorus cycle primarily conducted? - Correct Answers In soil and plants
Which of the following is NOT a category of wetland biome? - Correct Answers Tropical
How would you best describe a pioneer species? - Correct Answers The first species to
colonize an area in primary succession
,What can influence an organism's niche/survival? - Correct Answers Compe''on, Mutualism
and Parasi'sm.
What is mutualism? - Correct Answers symbiosis that is beneficial to both organisms involved.
What is parasi'sm? - Correct Answers One organism benefits and the other is harmed
What is primary succession? - Correct Answers 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 vegeta'on? - Correct Answers Marshes
A large plot of land in a grassland ecosystem was converted for agriculture. A6er 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 Answers Secondary succession
In what year was the Federal Water Pollu'on Control Act established? - Correct Answers 1948
Denitrifica'on is an essen'al step in which of the following cycles? - Correct Answers
Nitrogen
What is true about chlorophyll? - Correct Answers It is required in order to perform
photosynthesis
Organisms do NOT require nutrients, or chemical substances, during what phase? - Correct
Answers Sleep
, Organisms require nutrients, or chemical substances, during what phases? - Correct Answers
Growth, Maintenance and Reproduc'on
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - Correct Answers Broadleaf plants and lower shrub vegeta'on
Grassland Habitat - Correct Answers
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 Answers Trees release carbon when decaying, so when areas
experience deforesta'on large amounts of a forest's sequestered carbon will be released back
into the atmosphere
Which is a true statement about non-'dal marshes? - Correct Answers They occur in poorly
draining low places and along boundaries of freshwater sources
What best describes high-grading harvest? - Correct Answers Only cu:ng the largest or most
valuable tree species in an area
What percent of forests remain in the United States? - Correct Answers 33%
What is NOT a good reason for conduc'ng a prescribed burn? - Correct Answers Preven'ng
wildlife from entering unwanted areas. As this disrupts natural processes.
What is a descrip'on for the logging prac'ce term known as clear cu:ng? - Correct Answers
Logging all trees of the same age in one area. Meaning, cu:ng down all the trees, regardless of
how old or valuable they are.
