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Ducks Unlimited Final Exam Practice
Questions and Correct Answers/ Latest
Update / Already Graded
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
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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
What can influence an organism's niche/survival?
Ans: Competition, Mutualism and Parasitism.
What is mutualism?
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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
All rights reserved © 2025/ 2026 |
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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
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
Grassland Habitat
All rights reserved © 2025/ 2026 |
Ducks Unlimited Final Exam Practice
Questions and Correct Answers/ Latest
Update / Already Graded
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
All rights reserved © 2025/ 2026 |
, Page |2
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
What can influence an organism's niche/survival?
Ans: Competition, Mutualism and Parasitism.
What is mutualism?
All rights reserved © 2025/ 2026 |
, Page |3
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
All rights reserved © 2025/ 2026 |
, Page |4
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
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
Grassland Habitat
All rights reserved © 2025/ 2026 |
