Ducks Unlimited Test Bank Exam
Questions and Answers 100% Pass
Which of the following best describes a pioneer species? - ✔✔The first species to
colonize an area in primary succession
Which of the following best describes respiration? - ✔✔Intake of oxygen to convert
glucose to energy
Which of the following does NOT conduct nitrogen fixation? - ✔✔Humans
Where is the phosphorus cycle primarily conducted? - ✔✔In soil and plants
Which of the following is NOT a category of wetland biome? - ✔✔Tropical
In what year was the Clean Water and Air Act created? - ✔✔1948
Which of the following does Not influence an organisms niche? - ✔✔Commensalism
According to the presentation, ecosystem management was broadened by the
establishment of which of the following in 1978? - ✔✔Conservation Biology
Which of the following is known to cause primary succession? - ✔✔Glacier movement
Select the positive ecological interactions between organisms - ✔✔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
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,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? - ✔✔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? - ✔✔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. - ✔✔True
Which of the following is true about chlorophyll? - ✔✔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? - ✔✔Broadleaf plants and lower shrub vegetation
Which of the following is true regarding the ability for grasslands to sequester carbon
from the atmosphere? - ✔✔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? - ✔✔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? -
✔✔Monitors the effects of climate change on renewable resources and managed lands
What is desertification? - ✔✔Grasslands which undergo drought or demineralization
and turn into a desert landscape
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, 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? - ✔✔Legumes
Which of the following is a characteristic of the taiga? - ✔✔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? -
✔✔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? - ✔✔Swamp
Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act
regulates. - ✔✔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? - ✔✔Aerial roots
This illustration depicts which of the following concepts? - ✔✔Baseflow contribution
Select all of the levels of taxonomy which represent the scientific name of a species -
✔✔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
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
Questions and Answers 100% Pass
Which of the following best describes a pioneer species? - ✔✔The first species to
colonize an area in primary succession
Which of the following best describes respiration? - ✔✔Intake of oxygen to convert
glucose to energy
Which of the following does NOT conduct nitrogen fixation? - ✔✔Humans
Where is the phosphorus cycle primarily conducted? - ✔✔In soil and plants
Which of the following is NOT a category of wetland biome? - ✔✔Tropical
In what year was the Clean Water and Air Act created? - ✔✔1948
Which of the following does Not influence an organisms niche? - ✔✔Commensalism
According to the presentation, ecosystem management was broadened by the
establishment of which of the following in 1978? - ✔✔Conservation Biology
Which of the following is known to cause primary succession? - ✔✔Glacier movement
Select the positive ecological interactions between organisms - ✔✔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
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 1
,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? - ✔✔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? - ✔✔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. - ✔✔True
Which of the following is true about chlorophyll? - ✔✔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? - ✔✔Broadleaf plants and lower shrub vegetation
Which of the following is true regarding the ability for grasslands to sequester carbon
from the atmosphere? - ✔✔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? - ✔✔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? -
✔✔Monitors the effects of climate change on renewable resources and managed lands
What is desertification? - ✔✔Grasslands which undergo drought or demineralization
and turn into a desert landscape
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 2
, 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? - ✔✔Legumes
Which of the following is a characteristic of the taiga? - ✔✔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? -
✔✔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? - ✔✔Swamp
Select all of the strategies the Coastal Wetlands Planning Protection and Restoration Act
regulates. - ✔✔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? - ✔✔Aerial roots
This illustration depicts which of the following concepts? - ✔✔Baseflow contribution
Select all of the levels of taxonomy which represent the scientific name of a species -
✔✔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
© EMILY CHARLENE YEAR 2025-2026, ALL RIGHTS RESERVED 3
