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WorksheetsDucks Unlimited Vocabulary (all Units)
Total questions: 153
Worksheet time: 1hrs 17mins
Which statement best defines abiotic factors in wildlife ecology?
Behavioral interactions among animals
Human management practices in reserves
Non-living physical and chemical elements
Living organisms influencing populations
Abundance in a population refers to which measure?
Population size or number in an area
Genetic diversity among organisms
Average body size of individuals
Age distribution within the group
Age structure describes what aspect of a population?
Spatial distribution across habitat
Sex ratio between males and females
Physiological condition of animals
Age distribution of individuals
Biotic factors are best described as what?
Weather patterns over decades
Geologic substrates and minerals
Living or once-living organisms
Non-living environmental elements
Competition in wildlife populations is the reaction of animals doing what?
Avoiding predation through camouflage
Forming cooperative breeding groups
Migrating between neighboring habitats
Seeking the same resource simultaneously
Death rate is also known as which term?
Recruitment proportion
Mortality rate
Fecundity index
Production total
Which statement describes density-dependent factors?
Genetic mutations occurring in individuals
Factors changing independently of population size
Factors varying with population numbers
Abiotic conditions fixed over time
Dominance in animal populations means an individual achieves what?
Preferential access to resources
Higher fecundity than average
Faster migration over long distances
Lower mortality under stress
Immigration rate quantifies what process?
Individuals increasing body condition
Individuals dying in the population
Individuals entering one population from another
Individuals changing sex structure
A limiting factor does what to a population’s size?
Enhances maximum reproductive success
Restricts growth from reaching full potential
Stabilizes sex ratio across seasons
Eliminates density-independent effects
Parasitism is a relationship where the parasite does what?
Feeds off a host organism
Mutually benefits the host
Competes for the same resource
Predates on top carnivores
Physical condition in wildlife ecology refers to what?
Ability to survive in an environment
Genetic similarity among individuals
Age classes within the population
Pattern of spatial dispersion
Population dynamics encompass which changes over time?
Abundance and range of a population
Genotypes and allelic frequencies
Habitat types and soil chemistry
Season length and weather cycles
Population ecology is the measurement and study of what?
Global climate systems
Species evolutionary history
Ecosystem nutrient pathways
Population dynamics
A predator is an animal that does what?
Is hunted for food by others
Hunts and kills other animals for food
Migrates out during winter
Feeds on a host without killing
Prey is best defined as which animal?
Being hunted or killed for food
Hunting and killing other animals
Dominating access to resources
Feeding off a host organism
Production in population studies is the number of what over time?
Immigrants entering the population
Offspring produced during a period
Adult deaths recorded annually
Territories established in habitat
Sex structure describes which proportion in a population?
Healthy versus diseased
Residents versus migrants
Males versus females
Age classes compared across cohorts
Which are density-independent factors affecting populations? Select all that apply.
Severe drought reducing water availability
Introduction of a new predator species
Intraspecific competition for food
Hurricane destroying nesting sites
Which statements are true about birth and death rates? Select all that apply.
Death rate equals mortality rate over time
Birth rate and death rate determine production
Both are density-independent by definition
Birth rate is new individuals produced over time
Which statement best defines a wildlife population in ecology?
Individuals of one species living and interacting together as a group
Multiple species sharing a habitat without interacting as a group
A single organism adapting independently within its local environment
Individuals of different species competing within a shared ecosystem
What is the term for the mass destruction of trees?
Afforestation
Deforestation
Agroforestry
Selective Cutting
What is sediment?
Soft-stemmed plants
Evergreen trees with needle-shaped leaves
Sand, stone, or soil carried into land or water
State of being frozen year-round
Which term describes waste on the forest floor?
Detritus
Permafrost
Precipitation
Herbaceous Plants
What are herbaceous plants?
Evergreen trees with needle-shaped leaves
Soft-stemmed plants
Particularly burnable or easily burned
Material created by atmospheric condensation
What is the definition of precipitation in the context of forests?
State of being frozen year-round
Mass destruction of trees
Material created by atmospheric condensation falling, such as rain, snow, sleet, or hail
Practice of planting trees in areas where trees were not previously present
What type of trees are coniferous trees?
Soft-stemmed plants
Evergreen trees with needle-shaped leaves
Particularly burnable or easily burned
Waste on the forest floor
What does permafrost refer to?
State of being frozen year-round
Mass destruction of trees
Sand, stone, or soil carried into land or water
Practice of using trees as part of a land management strategy
What does the term combustible mean?
Soft-stemmed plants
Particularly burnable or easily burned
Evergreen trees with needle-shaped leaves
State of being frozen year-round
What is agroforestry?
Practice of planting trees in areas where trees were not previously present
Only logging the most mature trees in an area
Practice of using trees as part of a land management strategy for help with food crops or pastures
Mass destruction of trees
What is afforestation?
Practice of using trees as part of a land management strategy
Practice of planting trees in areas where trees were not previously present
Only logging the most mature trees in an area
Some desirable trees are left standing to ensure the ecosystem has the opportunity to establish healthy seedlings
What is selective cutting?
Only logging the most mature trees in an area
Mass destruction of trees
Practice of planting trees in areas where trees were not previously present
Some desirable trees are left standing to ensure the ecosystem has the opportunity to establish healthy seedlings
What is shelterwood cutting?
Mass destruction of trees
Only logging the most mature trees in an area
Some desirable trees are left standing to ensure the ecosystem has the opportunity to establish healthy seedlings
Practice of planting trees in areas where trees were not previously present
What is a wetland?
An area with hydric and anaerobic soil supporting a plant community
A desert with minimal water
A forest with dense trees
A mountain with rocky terrain
What does "hydric" mean?
Permanently or seasonally saturated with water
Completely dry and arid
Covered with ice
Filled with sand
What is the definition of "anaerobic"?
Free of oxygen
Full of oxygen
High in carbon dioxide
Low in nitrogen
What is a marsh?
Wetland with frequent flooding or constant surface water
Dry land with no vegetation
Rocky terrain with no water
Sandy desert with minimal rainfall
What type of water is described as "brackish"?
Lightly salty water
Freshwater
Distilled water
Highly polluted water
What are swamps characterized by?
Wetlands with woody plants
Dry areas with no vegetation
Sandy beaches
Rocky cliffs
What are bogs filled with?
Peat and acidic water
Sand and gravel
Freshwater and fish
Clay and silt
What is peat?
Spongy substance formed by partially decomposed vegetation
Hard rock formed by volcanic activity
Sandy soil found in deserts
Clay used in pottery
What is the purpose of dams?
Barriers which restrict water flow
Structures that increase water flow
Devices that purify water
Tools for measuring water depth
What are levees used for?
Structures used to stop water from naturally changing course
Tools for measuring rainfall
Devices for increasing water temperature
Machines for filtering water
What is point source pollution?
Pollution coming from a clearly identified source
Pollution that is widespread and untraceable
Pollution that occurs naturally
Pollution that is beneficial to the environment
What are hydrogeomorphic functions related to?
Water-retention of soil
Air quality improvement
Temperature regulation
Soil erosion
Which term refers to the maximum population size of a species that a habitat can support?
Population density range
Home range capability
Sustainable yield level
Carrying capacity limit
Bag limits are best defined as what?
Maximum number allowed per person
Seasonal harvest quotas
Legal area of occupancy
Population ceiling per habitat
Match each term to its best definition.
Habitat
Physical environment where an animal lives
Cover
Environmental features providing protection
Home range
Area used by an individual’s routine movements
Population
Number of individuals within a geographic range
Which statements describe conservation? Select all that apply.
Ignoring ecological limits during harvest
Using resources in ways that preserve them
Maintaining natural resources for future generations
Maximizing short-term extraction for profit
Disturbance in succession most commonly causes what outcome?
Increase in carrying capacity
Immediate jump to climax community
Shift to an earlier sere stage
Permanent loss of plant species
Extent of occurrence refers to which boundary concept?
Total area species actually occupy
Geographic area species could occur
Legal management unit boundaries
Migration corridor length
An over-abundant species is characterized by which condition?
Restricted extent of occurrence
Confined to a small home range
Exceeding carrying capacity
Below minimum viable population
Periods of vulnerability often coincide with what situation?
Maximum sustainable yield reached
High adult survival rates
Low population or peak births
Stable climax plant community
Habitat management techniques are primarily aimed at what?
Improving or maintaining habitats
Increasing bag limits statewide
Expanding legal extent of occurrence
Reducing home range sizes
Succession is best described as what process?
Immediate recovery after disturbance
Random fluctuation of population size
Gradual change from one sere to another
Abrupt replacement of communities
A sere represents which concept in plant community development?
Single disturbance event
Stage within a series to climax
Legal designation of critical habitat
Measure of sustainable yield
Sustainable yield most accurately means what?
Quota set to reduce overabundance
Amount harvested to reach carrying capacity
Maximum possible catch per season
Number taken without harming population
Translocating wildlife involves which action?
Creating new cover structures
Counting individuals in a population
Capturing and moving animals
Setting mechanical trapping devices
Trapping is defined as which method?
Monitoring movements within a home range
Use of mechanics to capture or kill furbearers
Estimating population across a habitat
Humanely relocating predators to new areas
Wildlife management can be summarized as what?
Public education about conservation
Science of managing populations and habitats
Legal regulation of hunting licenses
Protection of climax communities only
Match the boundary-related terms with the correct descriptions.
Area of occupancy
Actual geographic boundaries where species are found
Extent of occurrence
Geographic boundaries species could occur within
Home range
Area used by an individual’s routine movements
Carrying capacity
Maximum population a habitat can support
Which options describe habitat and cover? Select all that apply.
Habitat equals maximum population size supported
Cover provides protection enhancing survival
Habitat is the physical environment an animal lives
Cover defines geographic range species could occur
Which scenario best illustrates sustainable yield?
Harvest level maintaining stable population
Short-term harvest maximizing immediate catch
Harvest equal to carrying capacity limit
Zero harvest regardless of population size
Which management action targets over-abundant species most directly?
Translocating to increase home range
Reducing physical habitat complexity
Mapping extent of occurrence boundaries
Adjusting bag limits for a season
What is a forb?
Grassland with trees in landscape
Broadleaf and lower shrub vegetation
Grassland found in mountain areas
Off-season vegetation planted over fields
Which type of grassland is found in mountain areas with high altitudes?
Savanna
Montane
Forb
Urbanization
What does desertification refer to?
Planting different crops in an area each year
Spread of human infrastructure
When fertile land becomes unsustainable for vegetation
Used to control weeds and aerate soil
What is the purpose of cover crops?
To spread human infrastructure
To control weeds and aerate soil
Off-season vegetation planted over fields and plowed to decompose for the main crop
Planting different crops in an area each year
What is the practice of planting different crops in an area each year called?
Tillage
Urbanization
Rotational Crops
Savanna
Which term describes obtaining possession in a management context?
Retention of owned resources
Incentivizing participation
Acquisition of assets
Eradication of species
In waterfowl research, what is banding used for?
Restoring degraded wetlands
Classifying non-game species
Estimating metabolic needs
Tracking population movements
Which term refers to a group of hatched offspring?
Pair bonds formed
Plume birds gathered
Broods in a nest
Stopover site flocks
Carrying capacity is best defined as
Quantity harvested each year
Volume of wetland water
Number an area can support
Energy needed by organisms
Conservation easements primarily aim to
Lease to compensate landowners
Destroy invasive species
Map habitat with GIS
Create temporary flyways
Deficient resources mean
Excessive amounts
Not having enough
Eradicated entirely
Fully restored
Degradation in habitats indicates
Legal acquisition
Retention continuing
Deterioration occurring
Intrinsic value rising
Flyways are best described as
Administrative units for waterfowl
Temporary migratory habitats
Pairs formed during mating
Dead vegetation after harvest
Incentivizing in management means
Providing a motivation
Conducting parts surveys
Maintaining retention
Tracking flyway routes
Indiscriminately applied actions are
Systematic and regulated
Unsystmatic and unregulated
Targeted and intrinsic
Measured and retained
An insectivorous species primarily
Feeds on insects
Forms plume feathers
Lives in flyways
Consumes wheat stubble
Which group includes animals without a backbone?
Non-game group
Invertebrates group
Waterfowl group
Plume birds group
Metabolic needs of waterfowl relate to
Energy for biological processes
Administrative flyway design
Mapping via GIS tools
Acquisition and retention
Non-game classification indicates animals
Protected by easements
Eradicated as invasive
Captured for banding
Not hunted for sport
Parts surveys conducted annually determine productivity by
Identifying harvested waterfowl parts
Measuring intrinsic habitat value
Estimating flyway traffic counts
Calculating metabolic energy needs
Restoration strategies aim to
Increase indiscriminate harvest
Return land to productive habitat
Destroy pair bonds completely
Reduce GIS data accuracy
Trajectory in migration refers to
Upcoming flight path
Energy metabolism rate
Carrying capacity limit
Intrinsic habitat value
Waterfowl are large aquatic birds that typically have
Broad flat bills
Lives mostly in or around water
Long soft plume feathers
Webbed feet for swimming
Backbones absent
Match each term with its correct description.
Banding
Tracking movements by placing bands
Carrying capacity
Maximum organisms an area supports
Eradication
Destroying something completely
Restoration
Returning land to productive habitat
Match the population management items to their purposes.
Flyways
Management units for waterfowl
Parts survey
Determine productivity via parts
Stopover site
Temporary habitats during migration
Pair bonds
Mating male and female pair
What is a habitat?
An area where only plants live
An area where only animals live
An area in which animals, plants, and other organisms live
An area with no living organisms
What is an ecosystem?
A single organism
A non-living environment
An interconnected biological system of living organisms and their physical environment
A type of habitat
What are provisional services?
Non-material benefits from a habitat
Products obtained from a habitat, such as food, water, wood, and oil
Natural processes that regulate the habitat
Services that support nutrient cycling
What are cultural services?
Products obtained from a habitat
Non-material benefits provided by a habitat, such as tourism and recreation
Natural processes that regulate the habitat
Services that support oxygen production
What are regulating services?
Products obtained from a habitat
Non-material benefits from a habitat
Natural processes the habitat regulates, such as biological control of predator and prey populations and prevention of soil erosion
Services that support nutrient cycling
What are supporting services?
Products obtained from a habitat
Non-material benefits from a habitat
Natural processes the habitat facilitates to maintain the conditions of the earth, such as oxygen production and nutrient cycling
Services that support tourism
What does the term "aquatic" refer to?
Related to soil or dry land
Related to water
Related to air
Related to fire
What does the term "terrestrial" refer to?
Related to water
Related to air
Related to soil or dry land
Related to fire
What is the continental shelf?
A type of crustacean
An area of land underneath the sea and near a continent
A type of phytoplankton
A type of oceanic zone
What are phytoplankton?
Large marine animals
Microscopic marine algae
A type of crustacean
A type of oceanic zone
What is the neritic zone?
A type of crustacean
Marine habitat extending from the coast to the continental shelf
A type of phytoplankton
A type of oceanic zone
What are crustaceans?
Microscopic marine algae
Invertebrate aquatic animals such as crab, lobster, or shrimp
A type of oceanic zone
A type of continental shelf
What is the oceanic zone?
A type of crustacean
Aquatic habitat in the ocean beyond the continental shelf
A type of phytoplankton
A type of neritic zone
What is the depth range of the Epipelagic Sub-zone?
0 to 200 meters
200 to 1,000 meters
Below 1,000 meters
1,000 to 2,000 meters
Which sub-zone of the oceanic zone ranges from the Epipelagic Sub-zone to about 1,000 meters deep?
Bathypelagic Sub-zone
Mesopelagic Sub-zone
Epipelagic Sub-zone
Abyssopelagic Sub-zone
What is a glacier?
A type of wetland
A mass or river of ice formed by compressed snow and ice
A layer of rock permeable to water
A habitat with broad-leaved trees
What is an aquifer?
A type of forest
A wetland area
A subterranean layer of rock permeable to water
A habitat with annual rainfall between 50 and 260 inches
Which habitat is characterized by treeless terrain and frozen subsoil year-round?
Taiga
Tundra
Deciduous Forests
Tropical Rainforest
What type of forest is located below the tundra and is covered in coniferous forest?
Deciduous Forests
Tropical Rainforest
Taiga
Wetlands
Which habitat is covered in broad-leaved trees that shed leaves during the winter season?
Tropical Rainforest
Deciduous Forests
Tundra
Taiga
What is the characteristic of a tropical rainforest?
Low humidity and sparse vegetation
Annual rainfall between 50 and 260 inches, high humidity, and canopy trees
Clay soil where water will not seep into the ground
Constantly filled with water
What is the temperature range typically found in grasslands?
40 to 100°F (4 to 38°C)
30 to 90°F (1 to 32°C)
50 to 110°F (10 to 43°C)
60 to 120°F (15 to 49°C)
Which type of habitat is characterized by annual rainfall of less than 10 inches and temperatures reaching more than 110°F (43°C)?
Grasslands
Deserts
Wetlands
Forests
What does habitat fragmentation refer to?
Complete loss of habitat through human involvement
Breaking up habitats to the point where they can no longer remain functional
Polluting a habitat until it can no longer support life
Rebuilding a degraded area
What is the act of polluting a habitat until the quality of the habitat can no longer support life called?
Habitat Preservation
Habitat Restoration
Habitat Degradation
Habitat Fragmentation
What does preservation in habitat conservation mean?
Rebuilding a degraded area
Non-use of natural resources with little-to-no human intervention
Breaking up habitats
Polluting a habitat
What is the process of taking an area which has been degraded and rebuilding it called?
Habitat Destruction
Habitat Fragmentation
Habitat Restoration
Habitat Degradation
Which term describes solid bone that branches from the skull and is shed annually?
Taxonomy
Keratinous sheath
Horn
Antlers
Which class is defined by feathers and adaptations for flight?
Carnivore
Game animals
Mammalia
Aves
Which description best fits a carnivore?
Diet is mostly animal protein
Diet is mostly plant matter
Diet is balanced omnivory
Diet avoids animal products
Which statement distinguishes horns from antlers?
Horns are permanent bones
Horns are made of mammary tissue
Antlers are covered by keratin
Horns do not branch out
Antlers shed annually
Match each wildlife category with its regulatory status.
Game animals
Season and allowable harvest set
Non-game animals
No season or bag limit for harvest
Bag limit
Maximum number allowed to take
Which term refers to the keratin covering over a horn?
Antlers
Keratinous sheath
Aves
Taxonomy
Which class is defined by the presence of hair and mammary glands?
Mammalia
Non-game animals
Aves
Carnivore
What does taxonomy study and organize?
Classification and naming of organisms
Season dates for harvested species
Dietary categories in wildlife
Anatomical differences in single species
Which pair correctly links term and definition?
Antlers—permanent non-branching bones
Horn—shed annually from the skull
Aves—feathers and flight adaptations
Mammalia—feathers and lightweight bones
Which statement best reflects Adaptive Resource Management in wildlife?
One-time planning without future changes
Immediate harvest to meet short-term demand
Strict non-intervention regardless of data
Planning, implementation, and evaluation loop
Match each term to its definition.
Adaptive Resource Management
Cyclic planning with evaluation informing future actions
Fair Chase
Ethical pursuit without unfair advantage over game
Over-Exploitation
Harvest exceeds reproduction causing declines
Wildlife Conservation
Managing resources to sustain populations
Which practices align with Fair Chase ethics in hunting?
Using technology that removes the animal’s chance
Pursuing free-ranging game without unfair advantage
Respecting ethical boundaries during pursuit
Capturing confined wildlife with guaranteed success
What is the most direct consequence of over-exploitation of wildlife?
Stable populations over many generations
Population declines due to reproduction lag
Rapid adaptation preventing any impacts
Increased biodiversity in all habitats
Which term describes the inner down layer and the outer layer that covers a bird's body?
Lamellae comb-like feeding structures
Body plumage layers covering the body
Speculum patch on the secondary feathers
Molting process replacing old feathers
In waterfowl biology, what does brood refer to?
Seasonal movement for resources
Bright patch on secondary feathers
Number of eggs laid at one time
Clutch or young after being hatched
Clutch size is best defined as:
Group of chicks after hatching
Number of eggs laid in a nest at one time
Loss of feathers during molting
Pairing between two individuals
Lamellae are:
Colored patch on secondary feathers
Behavioral pairing in mates
Comb-like structures resembling teeth
Down and outer feather layers
Which term names the adaptation allowing birds to travel to areas with seasonal food?
Migration to access abundant resources
Molting to replace worn feathers
Speculum for display signaling
Pair bond for breeding success
Pair bond refers to:
Number of eggs laid in a single nest
Seasonal movement to resource-rich areas
Mating relationship between two individuals
Distinct patch on the secondary feathers
Precocial chicks are characterized by:
Born with down feathers and open eyes
Ability to leave the nest within 24–36 hours
Dependence on constant parental brooding
Born naked with eyes closed
Sexual dimorphism means:
Chicks leave the nest very quickly
Feeding aided by comb-like lamellae
Both sexes appear similar in plumage
Males and females look physically different
Sexual monomorphism means:
Seasonal movement to new habitats
Young hatch fully developed and mobile
Both sexes appear similar in appearance
Males and females are visibly different
The speculum on a duck is the:
Comb-like ridges along the bill edge
Inner down layer beneath contour feathers
Area of feather loss during molting
Bright, distinct colored patch on secondaries
Waterfowl are best described as:
Birds lacking migration behaviors
Birds associated with wetlands or aquatic habitats
Birds specialized for desert environments
Birds with extreme sexual dimorphism only
Match each term to its correct definition.
Brood
Young after hatching
Clutch size
Number of eggs laid at one time
Speculum
Bright colored patch on secondary feathers
Lamellae
Comb-like bill structures resembling teeth
What are wetlands?
Areas with dry soil and no vegetation
Areas flooded or saturated by water supporting vegetation adapted for saturated soils
Areas with high mountains and rocky terrain
Areas with desert-like conditions
What does the term "hydrophytic" refer to?
Rock-loving
Air-loving
Water-loving
Fire-loving
What is substrate in the context of wetlands?
A type of plant
Earthy material covering ground such as dirt, rocks, sand, or soil
A type of animal
A type of water body
What does anaerobic mean?
Contains high oxygen
Contains low oxygen
Contains no water
Contains high carbon dioxide
What is the function of aerenchyma in plants?
Stores water
Provides structural support
Allows air to pass through, providing oxygen for growth
Absorbs nutrients
What is baseflow contribution?
Increase in surface water
Recharge of shallow groundwater contributing to stream flow
Decrease in soil fertility
Increase in air pollution
What does biological productivity measure?
The rate of water evaporation
The rate of energy consumption within an ecosystem resulting in a growth in biomass
The rate of soil erosion
The rate of air pollution
What is detrital material?
Living organisms
Dead material
Freshwater
Nutrient-rich soil
What is nutrient cycling?
Process of moving organic and inorganic matter throughout an ecosystem
Process of water evaporation
Process of air circulation
Process of soil erosion
What is biological uptake?
Artificial removal of contaminants
Biological processes occurring naturally in the ecosystem removing contaminants
Increase in air pollution
Decrease in water levels
What are stopover sites?
Permanent habitats for migratory birds
Habitats migratory birds utilize to gather resources along the flyway during bi-annual migration
Areas with no bird activity
Sites for bird hunting
What are the economic benefits of wetlands?
They increase air pollution
They provide services valuable to landowners, communities, businesses, and governments
They decrease biodiversity
They increase soil erosion
