Ducks Unlimited Final Exam Practice
Questions Graded Best
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.
Questions Graded Best
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.
