DUCKS UNLIMITED COMPLETE EXAM QUESTIONS AND CORRECT
ANSWERS (2026-2027)
Which year saw the creation of the Clean Water and Air Act? ANSWER 1948
What does not affect the survival or niche of an organism? ANSWER
Commensalism: one gains something, while the other does not.
Which of the following was established in 1978, according to the presentation,
expanding ecological management? - ANSWER Conservation Biology
Which of is known to cause primary succession? ANSWER : Movement of
Glaciers
What are positive ecological interactions between organisms. - ANSWER
Commensalism and Mutualism
What conducts nitrogen fixation? - ANSWER Peanuts, Algae and Nitrogen-
fixing bacteria. Humans DO NOT conduct nitrogen fixation.
Among the above, which one best sums up respiration? ANSWER : Using
oxygen to transform glucose into energy
Where is the main location of the phosphorus cycle? In plants and soil, the
ANSWER
Out of the following, which is NOT a wetland biome category? ANSWER
Tropical
What is the best way to characterize a pioneer species? In primary succession,
the first species to settle in a region
What factors can affect an organism's survival or niche? The ANSWER s are
parasitism, mutualism, and competition.
Mutualism: What is it? - ANSWER symbiosis that is beneficial to both
organisms involved.
, What does parasitism mean? ANSWER : One organism gains while the other
suffers
Primary succession: what is it? ANSWER Succession that starts in a place
where there are no traces of a prior community. the first to discover a place's
ecosystem.
In which wetlands does emergent vegetation predominate? Marshes, the
ANSWER
A sizable area of grassland habitat was turned into an agricultural field. The
area was left fallow after forty years of farming and started to return to its
grassland condition. Which of the following best describes this situation? The
secondary succession ANSWER
What year did the Federal Water Pollution Control Act come into being?
ANSWER 1948
Which cycle requires denitrification as a necessary step? ANSWER : Nitrogen
What about chlorophyll is true? ANSWER : It is necessary for photosynthesis
to occur.
Organisms do NOT require nutrients, or chemical substances, during what
phase? ANSWER : Sleep
What stages do organisms need chemicals or nutrients? ANSWER
Development, Upkeep, and Reproduction
Grasses and a variety of forb species predominate in grasslands. Out of the
following, which one best characterizes a forb? The ANSWER is reduced
shrub vegetation and broadleaf plants.
Grassland Habitat: Response
Carbon storage is largely the responsibility of forests. But occasionally, trees
can also contribute significantly to atmospheric carbon emissions. When does
this usually happen? ANSWER : Since trees release carbon when they decay, a
significant portion of the carbon stored in a forest will be released back into the
atmosphere when areas undergo deforestation.
Which of the following statements about non-tidal wetlands is accurate?
ANSWERS (2026-2027)
Which year saw the creation of the Clean Water and Air Act? ANSWER 1948
What does not affect the survival or niche of an organism? ANSWER
Commensalism: one gains something, while the other does not.
Which of the following was established in 1978, according to the presentation,
expanding ecological management? - ANSWER Conservation Biology
Which of is known to cause primary succession? ANSWER : Movement of
Glaciers
What are positive ecological interactions between organisms. - ANSWER
Commensalism and Mutualism
What conducts nitrogen fixation? - ANSWER Peanuts, Algae and Nitrogen-
fixing bacteria. Humans DO NOT conduct nitrogen fixation.
Among the above, which one best sums up respiration? ANSWER : Using
oxygen to transform glucose into energy
Where is the main location of the phosphorus cycle? In plants and soil, the
ANSWER
Out of the following, which is NOT a wetland biome category? ANSWER
Tropical
What is the best way to characterize a pioneer species? In primary succession,
the first species to settle in a region
What factors can affect an organism's survival or niche? The ANSWER s are
parasitism, mutualism, and competition.
Mutualism: What is it? - ANSWER symbiosis that is beneficial to both
organisms involved.
, What does parasitism mean? ANSWER : One organism gains while the other
suffers
Primary succession: what is it? ANSWER Succession that starts in a place
where there are no traces of a prior community. the first to discover a place's
ecosystem.
In which wetlands does emergent vegetation predominate? Marshes, the
ANSWER
A sizable area of grassland habitat was turned into an agricultural field. The
area was left fallow after forty years of farming and started to return to its
grassland condition. Which of the following best describes this situation? The
secondary succession ANSWER
What year did the Federal Water Pollution Control Act come into being?
ANSWER 1948
Which cycle requires denitrification as a necessary step? ANSWER : Nitrogen
What about chlorophyll is true? ANSWER : It is necessary for photosynthesis
to occur.
Organisms do NOT require nutrients, or chemical substances, during what
phase? ANSWER : Sleep
What stages do organisms need chemicals or nutrients? ANSWER
Development, Upkeep, and Reproduction
Grasses and a variety of forb species predominate in grasslands. Out of the
following, which one best characterizes a forb? The ANSWER is reduced
shrub vegetation and broadleaf plants.
Grassland Habitat: Response
Carbon storage is largely the responsibility of forests. But occasionally, trees
can also contribute significantly to atmospheric carbon emissions. When does
this usually happen? ANSWER : Since trees release carbon when they decay, a
significant portion of the carbon stored in a forest will be released back into the
atmosphere when areas undergo deforestation.
Which of the following statements about non-tidal wetlands is accurate?
