A
VI
TU
IS
M
O
A
Ducks Unlimited Test Bank
N
Questions and approved
JP
answers 2025 Version
Guaranteed To pass!
,Which of the following best describes a pioneer species? - ANSWER The first
species to colonize an area in primary succession
Which of the following best describes respiration? - ANSWER Intake of oxygen to
convert glucose to energy
Which of the following does NOT conduct nitrogen fixation? - ANSWER Humans
A
Where is the phosphorus cycle primarily conducted? - ANSWER In soil and plants
VI
Which of the following is NOT a category of wetland biome? - ANSWER Tropical
In what year was the Clean Water and Air Act created? - ANSWER 1948
TU
Which of the following does Not influence an organisms niche? - ANSWER
Commensalism IS
According to the presentation, ecosystem management was broadened by the
establishment of which of the following in 1978? - ANSWER Conservation Biology
M
Which of the following is known to cause primary succession? - ANSWER Glacier
movement
O
Select the positive ecological interactions between organisms - ANSWER
Commensalism
Mutualism
A
Samantha is developing a management plan for an area suffering a significant reduction
N
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
JP
and to eliminate the requirement of human influence. Which of the following best
represents this management plan? - ANSWER 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? - ANSWER 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. -
ANSWER True
Which of the following is true about chlorophyll? - ANSWER 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? - ANSWER Broadleaf plants and lower shrub
A
vegetation
VI
Which of the following is true regarding the ability for grasslands to sequester carbon
from the atmosphere? - ANSWER Grasslands recover quickly from drought or fire,
allowing them to return to carbon sequestering far earlier than other biomes
TU
Which of the following best describes high-grading harvest? - ANSWER Only cutting
the largest or most valuable tree species in an area
IS
Which of the following is true about the Forest and Rangeland Planning Act? -
ANSWER Monitors the effects of climate change on renewable resources and
managed lands
M
What is desertification? - ANSWER Grasslands which undergo drought or
demineralization and turn into a desert landscape
O
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
A
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
N
Randy choose? - ANSWER Legumes
JP
Which of the following is a characteristic of the taiga? - ANSWER 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? - ANSWER
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
VI
TU
IS
M
O
A
Ducks Unlimited Test Bank
N
Questions and approved
JP
answers 2025 Version
Guaranteed To pass!
,Which of the following best describes a pioneer species? - ANSWER The first
species to colonize an area in primary succession
Which of the following best describes respiration? - ANSWER Intake of oxygen to
convert glucose to energy
Which of the following does NOT conduct nitrogen fixation? - ANSWER Humans
A
Where is the phosphorus cycle primarily conducted? - ANSWER In soil and plants
VI
Which of the following is NOT a category of wetland biome? - ANSWER Tropical
In what year was the Clean Water and Air Act created? - ANSWER 1948
TU
Which of the following does Not influence an organisms niche? - ANSWER
Commensalism IS
According to the presentation, ecosystem management was broadened by the
establishment of which of the following in 1978? - ANSWER Conservation Biology
M
Which of the following is known to cause primary succession? - ANSWER Glacier
movement
O
Select the positive ecological interactions between organisms - ANSWER
Commensalism
Mutualism
A
Samantha is developing a management plan for an area suffering a significant reduction
N
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
JP
and to eliminate the requirement of human influence. Which of the following best
represents this management plan? - ANSWER 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? - ANSWER 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. -
ANSWER True
Which of the following is true about chlorophyll? - ANSWER 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? - ANSWER Broadleaf plants and lower shrub
A
vegetation
VI
Which of the following is true regarding the ability for grasslands to sequester carbon
from the atmosphere? - ANSWER Grasslands recover quickly from drought or fire,
allowing them to return to carbon sequestering far earlier than other biomes
TU
Which of the following best describes high-grading harvest? - ANSWER Only cutting
the largest or most valuable tree species in an area
IS
Which of the following is true about the Forest and Rangeland Planning Act? -
ANSWER Monitors the effects of climate change on renewable resources and
managed lands
M
What is desertification? - ANSWER Grasslands which undergo drought or
demineralization and turn into a desert landscape
O
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
A
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
N
Randy choose? - ANSWER Legumes
JP
Which of the following is a characteristic of the taiga? - ANSWER 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? - ANSWER
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
