DUCKS UNLIMITED TEST BANK QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
Which of the following best describes a pioneer species? - Answers The first species to colonize an
area in primary succession
Which of the following best describes respiration? - Answers Intake of oxygen to convert glucose to
energy
Which of the following does NOT conduct nitrogen fixation? - Answers Humans
Where is the phosphorus cycle primarily conducted? - Answers In soil and plants
Which of the following is NOT a category of wetland biome? - Answers Tropical
In what year was the Clean Water and Air Act created? - Answers 1948
Which of the following does Not influence an organisms niche? - Answers Commensalism
According to the presentation, ecosystem management was broadened by the establishment of
which of the following in 1978? - Answers Conservation Biology
Which of the following is known to cause primary succession? - Answers Glacier movement
Select the positive ecological interactions between organisms - Answers Commensalism
Mutualism
Samantha is developing a management plan for an area suffering a significant reduction of grasses
and plants which directly affects the viability of an endangered species. Her plan involves an increase
of primary producers to support long-term ecological balance and to eliminate the requirement of
human influence. Which of the following best represents this management plan? - Answers
Sustainability
A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have colonized
on the rock, breaking it down and creating soil. Soil allowed grasses and flowering plants to grow. In
this example, which of these was most likely the pioneer species? - Answers Lichens
Nutrient flow is the natural process which provides for the cycling of chemicals between biotic and
abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. - Answers True
Which of the following is true about chlorophyll? - Answers Is required in order to perform
photosynthesis
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - Answers Broadleaf plants and lower shrub vegetation
Which of the following is true regarding the ability for grasslands to sequester carbon from the
atmosphere? - Answers Grasslands recover quickly from drought or fire, allowing them to return to
carbon sequestering far earlier than other biomes
Which of the following best describes high-grading harvest? - Answers Only cutting the largest or
most valuable tree species in an area
Which of the following is true about the Forest and Rangeland Planning Act? - Answers Monitors the
effects of climate change on renewable resources and managed lands
What is desertification? - Answers Grasslands which undergo drought or demineralization and turn
into a desert landscape
In order to minimize soil erosion and increase water retention, Randy wants to plant a cover crop for
his cotton field without negatively affecting the fertility of the soil. He knows cotton requires
significant amounts of nitrogen to grow, so he will need to choose a cover crop with low nitrogen
requirements. Which of the following cover crops should Randy choose? - Answers Legumes
Which of the following is a characteristic of the taiga? - Answers Northernmost forests with seasonal
climate including long winters and short summers
Forty percent of the world's oxygen is produced in which of the following? - Answers Tropical
rainforest
A wetland sits in an area with seasonal flooding from snow melt, has anaerobic soil, contains a build-
up of dead vegetation in the water and is filled with cypress trees. This area is most likely classified as
which of the following types of wetland? - Answers Swamp
Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act regulates. -
Answers Uses funds from oil and gas royalties to protect gulf coast marshes Funds research for new
measures to protect wetlands
Which of the following adaptations is shown in the image? - Answers Aerial roots
This illustration depicts which of the following concepts? - Answers Baseflow contribution
Select all of the levels of taxonomy which represent the scientific name of a species - Answers Genus
Species
, Adrian was hired by a company to survey for endangered species before a construction project. As
part of this survey, they wish to know species diversity on the property. While on his first survey,
Adrian sees a bird he has never seen before, so he takes detailed notes and a picture with plans to
identify it later. The bird has a distinctly hooked beak, bright yellow legs and a bright yellow ring
around the eye. What family does this bird belong to? - Answers Falconidae
Market hunters decimated populations of many wildlife species in order to help feed the growing
population in North America, eventually leading to the extinction of some species. Which of the
following species became extinct due to market hunting? - Answers Passenger pigeon
Label the different parts of the dabbling duck wing. - Answers Outside- Primarie. Inside-Secondaries
Select all the true statements. - Answers No waterfowl species in North America are endangered
Which of the following United States departments was the first to be established? - Answers
Department of Agriculture's Division of Economic Ornithology and Mammalogy
Select all the situations which will indicate wildlife populations are vulnerable and unable to be
hunted. - Answers Low population numbers
Seasons when offspring are born
Birth and death rates are expressed as the number per _____ individuals per unit of time. - Answers
1,000
Match the population factor with the corresponding description. - Answers Competition-The
reactions of two or more individuals seeking the same resource at the same time.
Parasitism-The benefit of one organism at the expense of another host organism.
Physical Condition -The ability an organism has to survive in a particular environment.
Pollution-The contamination of air, water or soil by substances which are harmful to wildlife.
Which of the following wetlands is dominated by emergent vegetation? - Answers 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? - Answers Secondary succession
Nitrogen Cycle - Answers N2
NO2
runoff
nitrifing bacteria
Which of the following best describes a niche? - Answers How organisms match and respond to
environmental conditions
Sophia is a biologist tasked with surveying for the red-cockaded woodpecker which is listed as an
endangered species. She knows the red-cockaded woodpecker closely resembles other species of
woodpeckers in the area and wants to make sure she surveys correctly. Which family of class Aves
should Sophia study to sharpen identification skills of woodpeckers? - Answers Picidae
Match the image to the corresponding species. - Answers Mute Swan- Fluffy Tail
Tundra Swan- Close up Photo
Trumpeter Swan- Sunset photo
Select all waterfowl which generally migrate in family units - Answers Geese Swans
Select the correct word from the two options in the underlined sections to make the equation correct.
- Answers Change in population abundance = (**births / deaths + immigration) - (births / **deaths +
emigration) **=correct answer
Which of the following factors is categorized as biotic? - Answers Competition
Paul is a park ranger in charge of removing a brown bear which has been invading campsites and has
grown comfortable around park guests. Paul sets up motion sensors which rapidly flash lights when
triggered around the border of the park. After a period of time, Paul notices there have not been any
more bear sightings in the park. This is an example of which of the following? - Answers Behavior
modification
Which of the following is a habitat requirement for breeding grounds? - Answers Access to ample
amounts of easily accessible resources nearby, multiple ponds or small wetlands ideal to allow
breeding pairs to spread out significantly and reduce competition for resources
Which of the following is NOT regulated by the National Park Service? - Answers Private land
The Migratory Bird Conservation Act created the migratory bird conservation commission in 1929 in
order to evaluate and approve federal land for wildlife refuges using federal funding. This commission
is made up of the Secretary of Agriculture, two senators, two members of the house of
representatives and ____________. - Answers The Secretary of the Interior
Which of the following best describes a pioneer species? - Answers The first species to colonize an
area in primary succession
Which of the following best describes respiration? - Answers Intake of oxygen to convert glucose to
energy
Which of the following does NOT conduct nitrogen fixation? - Answers Humans
Where is the phosphorus cycle primarily conducted? - Answers In soil and plants
Which of the following is NOT a category of wetland biome? - Answers Tropical
In what year was the Clean Water and Air Act created? - Answers 1948
Which of the following does Not influence an organisms niche? - Answers Commensalism
According to the presentation, ecosystem management was broadened by the establishment of
which of the following in 1978? - Answers Conservation Biology
Which of the following is known to cause primary succession? - Answers Glacier movement
Select the positive ecological interactions between organisms - Answers Commensalism
Mutualism
Samantha is developing a management plan for an area suffering a significant reduction of grasses
and plants which directly affects the viability of an endangered species. Her plan involves an increase
of primary producers to support long-term ecological balance and to eliminate the requirement of
human influence. Which of the following best represents this management plan? - Answers
Sustainability
A volcano has erupted and has now cooled off to leave bare rock. Over time, lichens have colonized
on the rock, breaking it down and creating soil. Soil allowed grasses and flowering plants to grow. In
this example, which of these was most likely the pioneer species? - Answers Lichens
Nutrient flow is the natural process which provides for the cycling of chemicals between biotic and
abiotic factors including water, oxygen, carbon, nitrogen and phosphorus. - Answers True
Which of the following is true about chlorophyll? - Answers Is required in order to perform
photosynthesis
Grasslands are dominated by grasses and several species of forbs. Which of the following best
describes a forb? - Answers Broadleaf plants and lower shrub vegetation
Which of the following is true regarding the ability for grasslands to sequester carbon from the
atmosphere? - Answers Grasslands recover quickly from drought or fire, allowing them to return to
carbon sequestering far earlier than other biomes
Which of the following best describes high-grading harvest? - Answers Only cutting the largest or
most valuable tree species in an area
Which of the following is true about the Forest and Rangeland Planning Act? - Answers Monitors the
effects of climate change on renewable resources and managed lands
What is desertification? - Answers Grasslands which undergo drought or demineralization and turn
into a desert landscape
In order to minimize soil erosion and increase water retention, Randy wants to plant a cover crop for
his cotton field without negatively affecting the fertility of the soil. He knows cotton requires
significant amounts of nitrogen to grow, so he will need to choose a cover crop with low nitrogen
requirements. Which of the following cover crops should Randy choose? - Answers Legumes
Which of the following is a characteristic of the taiga? - Answers Northernmost forests with seasonal
climate including long winters and short summers
Forty percent of the world's oxygen is produced in which of the following? - Answers Tropical
rainforest
A wetland sits in an area with seasonal flooding from snow melt, has anaerobic soil, contains a build-
up of dead vegetation in the water and is filled with cypress trees. This area is most likely classified as
which of the following types of wetland? - Answers Swamp
Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act regulates. -
Answers Uses funds from oil and gas royalties to protect gulf coast marshes Funds research for new
measures to protect wetlands
Which of the following adaptations is shown in the image? - Answers Aerial roots
This illustration depicts which of the following concepts? - Answers Baseflow contribution
Select all of the levels of taxonomy which represent the scientific name of a species - Answers Genus
Species
, Adrian was hired by a company to survey for endangered species before a construction project. As
part of this survey, they wish to know species diversity on the property. While on his first survey,
Adrian sees a bird he has never seen before, so he takes detailed notes and a picture with plans to
identify it later. The bird has a distinctly hooked beak, bright yellow legs and a bright yellow ring
around the eye. What family does this bird belong to? - Answers Falconidae
Market hunters decimated populations of many wildlife species in order to help feed the growing
population in North America, eventually leading to the extinction of some species. Which of the
following species became extinct due to market hunting? - Answers Passenger pigeon
Label the different parts of the dabbling duck wing. - Answers Outside- Primarie. Inside-Secondaries
Select all the true statements. - Answers No waterfowl species in North America are endangered
Which of the following United States departments was the first to be established? - Answers
Department of Agriculture's Division of Economic Ornithology and Mammalogy
Select all the situations which will indicate wildlife populations are vulnerable and unable to be
hunted. - Answers Low population numbers
Seasons when offspring are born
Birth and death rates are expressed as the number per _____ individuals per unit of time. - Answers
1,000
Match the population factor with the corresponding description. - Answers Competition-The
reactions of two or more individuals seeking the same resource at the same time.
Parasitism-The benefit of one organism at the expense of another host organism.
Physical Condition -The ability an organism has to survive in a particular environment.
Pollution-The contamination of air, water or soil by substances which are harmful to wildlife.
Which of the following wetlands is dominated by emergent vegetation? - Answers 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? - Answers Secondary succession
Nitrogen Cycle - Answers N2
NO2
runoff
nitrifing bacteria
Which of the following best describes a niche? - Answers How organisms match and respond to
environmental conditions
Sophia is a biologist tasked with surveying for the red-cockaded woodpecker which is listed as an
endangered species. She knows the red-cockaded woodpecker closely resembles other species of
woodpeckers in the area and wants to make sure she surveys correctly. Which family of class Aves
should Sophia study to sharpen identification skills of woodpeckers? - Answers Picidae
Match the image to the corresponding species. - Answers Mute Swan- Fluffy Tail
Tundra Swan- Close up Photo
Trumpeter Swan- Sunset photo
Select all waterfowl which generally migrate in family units - Answers Geese Swans
Select the correct word from the two options in the underlined sections to make the equation correct.
- Answers Change in population abundance = (**births / deaths + immigration) - (births / **deaths +
emigration) **=correct answer
Which of the following factors is categorized as biotic? - Answers Competition
Paul is a park ranger in charge of removing a brown bear which has been invading campsites and has
grown comfortable around park guests. Paul sets up motion sensors which rapidly flash lights when
triggered around the border of the park. After a period of time, Paul notices there have not been any
more bear sightings in the park. This is an example of which of the following? - Answers Behavior
modification
Which of the following is a habitat requirement for breeding grounds? - Answers Access to ample
amounts of easily accessible resources nearby, multiple ponds or small wetlands ideal to allow
breeding pairs to spread out significantly and reduce competition for resources
Which of the following is NOT regulated by the National Park Service? - Answers Private land
The Migratory Bird Conservation Act created the migratory bird conservation commission in 1929 in
order to evaluate and approve federal land for wildlife refuges using federal funding. This commission
is made up of the Secretary of Agriculture, two senators, two members of the house of
representatives and ____________. - Answers The Secretary of the Interior
