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Unit 5 Fisheries Management

True/False
Indicate whether the statement is true or false.
 

 1. 

The ocean is the last frontier on Earth.
 

 2. 

The supratidal and intertidal areas are below the water level.
 

 3. 

The concentrations and types of salts vary throughout the ocean.
 

 4. 

Temperature changes in the ocean occur as we move both to different latitudes and different depths.
 

 5. 

A high temperature equals a high density.
 

 6. 

The density of the ocean decreases as the pressure and depth increase.
 

 7. 

A stationary wave moves only up and down.
 

 8. 

Currents are divided into surface current, turbidity currents, and bottom currents.
 

 9. 

Salmon begin life in freshwater but migrate to the ocean to live and grow.
 

 10. 

Fish cannot be claimed as property as land wildlife can.
 

 11. 

Over $10 billion is spent each year on bait, on food and lodging, and on rods, reels, and other equipment for freshwater fishing in the United States.
 

 12. 

One of the most important organisms in the littoral zone is the tiny greenish-brown plankton.
 

 13. 

In the littoral zone, rooted vegetation is no longer present.
 

 14. 

Photosynthesis reaches to the bottom of the limnetic zone.
 

 15. 

The U.S. Department of Agriculture (USDA) indicates that the ideal family farm pond is less than 12 acres.
 

 16. 

Do not plant trees or shrubs on dams because the roots can weaken the structure.
 

 17. 

The pond basin should be planted with a cover crop.
 

 18. 

A farm pond should be stocked with both the right kinds as well as the right number of fish for its size.
 

 19. 

The largemouth bass can be recognized by its large tail and dark stripe or blotches down the side.
 

 20. 

The diet of the bass consists of aquatic insects and fish.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The ____ zone starts at the waterline at low tide.
A.
euphotic
C.
abyssal
B.
neritic
D.
bathyal
 

 2. 

The ____ zone contains the continental slope and rise.
A.
bathyal
C.
abyssal
B.
euphotic
D.
supratidal
 

 3. 

The ____ zone is the ocean deep zone.
A.
neritic
C.
supratidal
B.
intertidal
D.
abyssal
 

 4. 

The ____ zone is the part of the ocean where sunlight penetrates the water.
A.
bathyal
C.
euphotic
B.
neritic
D.
abyssal
 

 5. 

____ refers to the concentration of salts within the ocean water.
A.
Salinity
C.
pH
B.
Alkalinity
D.
Quality
 

 6. 

____ is the mass per unit volume.
A.
Weight
C.
Density
B.
Hydrology
D.
Space
 

 7. 

____-generated waves are divided into sea, swell, and surf.
A.
Sun
C.
Temperature
B.
Tidal
D.
Wind
 

 8. 

The ____ wave is the temperature changes in the ocean depths.
A.
catastrophic
C.
stationary
B.
internal
D.
wind
 

 9. 

____ are specialized waves caused by the gravitational attraction of the sun and moon on Earth.
A.
Tides
C.
Currents
B.
Waves
D.
Flows
 

 10. 

The mature size of the northern bluefin is ____ pounds.
A.
50
C.
2,000
B.
100
D.
250
 

 11. 

The bottom zone of the lake is the ____ zone.
A.
eutrophic
C.
littoral
B.
limnetic
D.
profundal
 

 12. 

____ are the most common organism in the profundal zone.
A.
Insects
C.
Bacteria
B.
Salmon
D.
Birds
 

 13. 

An acre is any rectangular surface area of ____ square feet.
A.
5,363
C.
26
B.
43,560
D.
47,682
 

 14. 

____ ponds are impounded behind an Earth embankment or dam.
A.
Embankment
B.
Excavated
 

 15. 

A ____ is land that drains into the pond.
A.
meadow
C.
mountain
B.
creek
D.
watershed
 

 16. 

A ____ assures that water will never flow over the dam.
A.
bank
B.
spillway
 

 17. 

____ control involves using some other living organism, either plant or animal, to control aquatic plants.
A.
Biological
B.
Chemical
 

 18. 

____ controls involve using herbicides on weed-infested waters.
A.
Chemical
B.
Biological
 

 19. 

____ nets are fine nets that entangle fish.
A.
Trammel
B.
Gill
 

 20. 

Poisoning a lake with ____ or sodium sulfite helps remove fish populations.
A.
phosphorus
C.
calcium
B.
nitrogen
D.
rotenone
 

Matching
 
 
Match the question with the correct response
A.
abyssal
F.
currents
B.
mixed surface
G.
microscopic marine animals
C.
catastrophic
H.
zonation
D.
tides
I.
tuna
E.
salinity
J.
temperature changes
 

 1. 

Characteristic of the ocean
 

 2. 

Method to classify ocean zones
 

 3. 

Zone of light penetration
 

 4. 

Number of grams of dissolved salt in 1,000 grams of sea water
 

 5. 

Temperature stratification layer
 

 6. 

Water movement in the ocean
 

 7. 

Wave classification
 

 8. 

Specialized waves caused by gravitational attraction
 

 9. 

Major group of marine animal life
 

 10. 

Important marine fish species
 
 
Match the question with the correct response
A.
excavated
F.
bluegill
B.
fish sampling
G.
pond basin
C.
chemical control
H.
nets
D.
shocker
I.
recreation
E.
littoral
J.
crappie
 

 11. 

Lake zone
 

 12. 

Use for farm pond
 

 13. 

Kind of artificial pond
 

 14. 

Item to remember in pond selection
 

 15. 

Common freshwater fish
 

 16. 

Food source for bass
 

 17. 

Fishery management procedure
 

 18. 

Way to control aquatic plant population
 

 19. 

Fish sampling method
 

 20. 

Applying alternating current
 



 
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