flow through raceway aquaculture:

requires more water volume per fish than other forms of aquaculture

which country is not matched with the correct historical facts?

the usa- the first aquaculture business

Characteristics of a good recreational pond include all of the following except

sides with a slope of 1:2 or 1:3

A measure of water clarity and light penetration.

decreasing water temperature to less than desirable levels:

decrease feeding rates and the rate of development

suspended solids refers to:

the small solids that remain afloat in still water after about an hour

Commercial fishing as it is currently practiced is

Less sustainable than aquaculture and environmentally damaging.

the symbol "ppt" or parts per thousand is the same as

grams of solute per liter of volume

a good example of extensive aquaculture

oyster ranching and live rock farming are correct

Which is true regarding the status of world wild caught fisheries

The numbers of large size, high values fishes caught has greatly decreased.

the term nekton refers to organisms that

live in the water column and move around freely

settle-able solids refers to

the large solids that settle out in still water after about 1 hour

when you determine the size of the tank/aquarium, why do you have to divide by 231 after calculating lxwxh?

convert inches cubed to gallons

Maximum sustainable yield is

The number of particular fish that can be harvested from the oceans each

which of the following adds DO to a body of water?

decreasing temperature and increasing aeration

increasing water temperature to lessens stress inducing levels

increases fish metabolism and increases growth rate

Which of the following is not a characteristic of a sustainable fisheries species.

All of these are characteristics of a sustainable fisheries species.

a measyre of hydrogen ion concentration of a solution

The overall amount of energy flowing through an ecosystem that is available to the next trophic level

Decrease by about 90% at each successive trophic level.

which is a reason why the US is not a more prominent world power in aquaculture?

the lack of adequate infrastructure

studbud

aquaculture

100 termsStudBud Administration26 plays

Imported from external platform

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
what is the name of the flap that covers the gills?
agnatha
operculum
cartiagnious
chondrichthyes
2
aquaculture began in the country of?
China
Egypt
Japan
Thailand
3
flow through raceway aquaculture:
releases high quality water back into rivers and streams
requires more land than pond aquaculture
requires more water volume per fish than other forms of aquaculture
is low animal density aquaculture
4
________ uses high stocking rates.
artificial aquaculture
expensive aquaculture
extensive aquaculture
intensive aquaculture
5
the ____ consists of intestines and kidneys and it filters waste from the blood.
respiratory system
circulatory system
digestive system
excretory system
6
which country is not matched with the correct historical facts?
ancient egypt- aquaculture of tilapia
the usa- the first aquaculture business
ancient china- the polyculture of carps
ancient hawaii-- aquaculture of pacific threadfin (Moi)
7
organisms kept in enclosures to monitor and control environmental factors is....
extensive aquaculture
intensive aquaculture
extensive management
intensive management
8
Characteristics of a good recreational pond include all of the following except
sides with a slope of 1:2 or 1:3
excellent compaction of pond bottom and levees
Solid with 80% clay content
a long flat shallow area of 36 inches depth for fish spawning
9
the most accurate (true to life) indication of energy flow through the ecosystem is ________?
food pyramid
food web
food matrix
food chain
10
considered modern bony fish, these fish are fish most familiar to us; include catfish, trout, swordfish, salmon
chondosteans
lungfish
teleost
agnatha
11
What is Turbidity?
The levels of calcium and magnesium dissolved in water.
A measure of water clarity and light penetration.
The log of hydrogen ion concentration.
The levels of carbonate buffer dissolved in the water.
12
fish that have fins on lobe-like stalks that extend outward from the body; most have two lungs and can breathe air
lungfish
gars
chondosteans
teleosts
13
decreasing water temperature to less than desirable levels:
decreases the rate of development
decrease feeding rates and the rate of development
decreases the feeding rate
increase metabolism
14
all of the following species are aqua cultured either commercially or for stock enhancement in the US except:
tuna
oysters
red drum
shrimp
15
suspended solids refers to:
the small solids that remain afloat in still water after about an hour
the solids that remain on filter paper after filtering a water sample
the solids small enough to be chemically dissolved in the water
the solids that pass thru the filter paper after filtering a water sample
16
Commercial fishing as it is currently practiced is
Is for the most part environmentally damaging.
Is for the most part environmentally friendly.
Less sustainable than aquaculture and environmentally damaging.
As a whole less sustainable than aquaculture.
17
the symbol "ppt" or parts per thousand is the same as
milligrams of solvent per liter of solute
grams of solvent per liter of solute
miligrams of solution per liter of solvent
grams of solute per liter of volume
18
after the ammonia is in the tank, which bacteria start to change it to something less toxic?
nitrosomas bacteria
ammonia bacteria
nitrobacter bacteria
nitrogen bacteria
19
a good example of extensive aquaculture
oyster ranching in the gulf of mexico
live rock farming in the florida keys
oyster ranching and live rock farming are correct
indoor shrimp farming in a bio-floc production system
20
Which is true regarding the status of world wild caught fisheries
The weight of fish harvested from the oceans is relatively stable.
Most fish species are currently regulated and are recovering.
Aquaculture is required to meet world seafood demand.
The numbers of large size, high values fishes caught has greatly decreased.
21
what can add dissolved oxygen to the water?
photosynthesis
diffusion from the air above
all answer choices are correct
wave and wind action
22
the largest aquaculture producing nation is
japan
China
USA
Thailand
23
the term nekton refers to organisms that
live on the bottom and move around freely
live in the water column and move around freely
live near the shore in and out of the water
live on the bottom and don't move well
24
NH3 is the chemical formula for which nitrogen compound?
nitrate
nitrite
nitrogen
ammonia
25
settle-able solids refers to
the solids that pass through the filter paper after filtering a water sampl
the large solids that settle out in still water after about 1 hour
the solids small enough to be chemically dissolved in the water
the solids that remain on filter paper after filtering a water sample
26
when you determine the size of the tank/aquarium, why do you have to divide by 231 after calculating lxwxh?
none of the answers are correct
convert inches cubed to gallons
convert inches over to liters
convert inches to gallons
27
_____ breaks down the food a fish consumes.
circulatory system
digestive system
sensory system
excretory system
28
no3 is the chemical formula for which compound in the nitrogen cycle?
nitrite
ammonia
nitrate
nitrogen
29
ammonium is produced by
uneaten food
all of the above
urine of fish
fish poop
30
____ requires no extra feeding or aeration.
investment aquaculture
extensive aquaculture
intervention aquaculture
intensive aquaculture
31
which class of fish has a bony skeleton?
osteichthyes
agnatha
cartilaginous
chondricthyes
32
Maximum sustainable yield is
The number of particular fish that can be harvested from the oceans each
The number of fish that can be harvested from the oceans each year.
The number of fish that can be harvested from the oceans.
The number of a particular fish that can be harvested from the oceans each
33
Why are certain types of aquaculture considered to be high-risk?
the pens are too sealed off from the open ocean and other fish
waste accumulates in the water
Pens are difficult for fish to get out of to visit the wild
34
the ____ consists of a heart, veins, and arteries
digestive system
respiratory system
circulatory system
nervous system
35
what involves the farming of aquatic species under controlled conditions?
fisheries management
conservation
biotechnology
aquaculture
36
all of the following are beneficial characteristics for an aquaculture species except
fast growing
tolerant of high densities
tolerant of poor water quality
prolific breeding at a young age
37
which of the following adds DO to a body of water?
decreasing temperature and decreasing aeration
decreasing temperature and increasing aeration
increasing temperature and decreasing aeration
increasing temperature and increasing aeration
38
on average, how much feed is required to produce a pound of gain in fish?
1.5 pounds
1 pound
2 pounds
2.5 pounds
39
increasing water temperature to lessens stress inducing levels
increase growth rate
increases fish metabolism and increases growth rate
increases fish metabolism
decreases feeding rate
40
All of these processes are part of the nitrogen cycle except
ammonification
assimilation
nitrogen fixation
nitrification
41
Which of the following is not a characteristic of a sustainable fisheries species.
An early reproductive age.
All of these are characteristics of a sustainable fisheries species.
A fast growth rate.
A high reproductive rate.
42
a PH of 3 is how many times more acidic than a pH of 5
20
10
100
2
43
what is pH?
a mesure of how much water something can hold
a measyre of hydrogen ion concentration of a solution
a measure of ion concentration of a solution
a measure of the amount solute a solvent can hold
44
which of the following performs biological filtration?
nitrifying bacteria
plants
all answer choices are correct
performed by living organisms
45
The overall amount of energy flowing through an ecosystem that is available to the next trophic level
Decrease by about 10% at each successive trophic level.
Decrease by about 90% at each successive trophic level.
Increased by about 10% at each successive trophic level.
Increased by about 90% at each successive trophic level.
46
which is a reason why the US is not a more prominent world power in aquaculture?
the lack of adequate water resources
the cost of land and labor in the us is higher than most countries
the lack of knowledge and expertise
the lack of adequate infrastructure
47
what is the most common form of aquaculture?
recirculatory systems
pond culture
cage culture
raceways
48
a solution has a pH of 7.0 what would happen to the pH if h ions were added?
ph would stay the same
ph would go down
pH would go up
none of the answers are correct
49
cartilaginous fishes that long, eel-like bodies, no scales, no appendages, and no jaws
superclass gnathostomata
superclass agnatha
class osteichthyes
class chondrichthyes
50
the first species to be involved in aquaculture?
carp
tilapia
catfish
trout
51
the activated carbon, found inside the blue filter cartridge, performs what kind of filtration?
chemical
all answers are correct
biological
mechanical
52
which statement is not a current issue of aquaculture sustainability?
pollution created by the offshore cage aquaculture of salmon
shrimp farms are built on mangroves
all of the above are current issues of aquaculture sustainability
carnivorous species consume more biomass than is generated by their aquacul
53
the ____ consists of testes, ovaries, produces sperm and egg for the next generation.
digestive system
sensory system
nervous
reproductive system
54
hardness is defined as
the amount of calcium and magnesium in the water
the amount of carbonate in the water
the amount of sodium and potassium in the water
the amount of ammonia and nitrite in the water
55
What is Ecology?
Organisms and how they interact with their enviorment.
Organisms and how they interact with each other.
Organisms of the same species and how they interact with each other.
The physical and chemical characteristics of lakes, ponds, and rivers.
56
bony fishes that include perch, trout, at fish, salmon, seahorsses
class osteichthyes
superclass agnatha
superclass gnathostomata
class chondrichthyes
57
the swim bladder of a fish is a sac filled with:
oil
water
gas
seminal fluid
58
the most economically viable form of large-scale aquaculture in the world is:_____?
pond aquaculture
recirculating aquaculture
offshore cage aquaculture
flow through raceway aquaculture
59
The ____ is a lateral line for balance
digestive system
circulatory system
excretory system
sensory system
60
The correct order for Plankton from smallest to largest is
pico-plankton, nano-plankton, micro-plankton, meso-plankton, macro-plankton
pico-plankton, micro-plankton, nano-plankton, meso-plankton, macro-plankton
nano-plankton, micro-plankton, meso-plankton, macro Plankton, pico-plankton
Macro-pankton, meso-plankton, micro-plankton, nano-plankton, pico-plankton
61
how many Chambers are in the heart of a bony fish?
1
2
3
4
62
the symbols "ppm" or parts per million is the
milligrams of solvent per liter of solute
milligrams of solute per liter of solvent
milligrams of solvent per liter of solute
grams of solute per liter of solvent
63
The state with the greatest Freshwater fish diversity is
Alabama
Georgia
Mississippi
Tennessee
64
denitrification is
the chemical conversion of ammonia to nitrate under aerobic conditions
the chemical conversion of ammonia to nitrate under aerobic conditions
the chemical conversion of nitrate to nit. gas under anaerobic conditions
the chemical conversion of nitrate to nitrogen gas under aerobic conditions
65
alkalinity is a measure of
the amount of calcium and magnesium in the water
the mount of carbonate in the water
the amount of carbon in the water
the ability of water to resist ph changes
66
what is the scientific name for channel catfish?
procambus clarkii
italuarus punctatus
onycorhynchus mykiss
procambus zonangulas
67
Which of the following is an indication that a recreational pond is bass crowded?
Bass population contains only a few large individuals.
Large numbers of similar-sized LMB (less than 12 inches)
Lots of very small bluegill less than 2"
Large number of bluegill 3-5"
68
when fish excrete their waste, which toxic byproduct is produced?
nitrogen
nitrites
ammonia
nitrates
69
The dissolved oxygen is at its lowest level in a lake or a pond
at sunset
at noon
at midnight
at sunrise
70
the fish produce waste called _______ which is converted by bacteria into ____ which is then converted into ________.
ammonia, nitrates, nitrites,
ammonia, nitrites, nitrates
nitrates, nitrites, ammonia
nitrites, ammonia, nitrates
71
pond aquaculture is:
less expensive and less risky than recirculating aquaculture systems
more expensive and riskier than recirculating aquaculture systems
less expensive/risky and uses more water than recirculating systems
uses the most water of the primary aquaculture production systems
72
toxic nitrites changed into something safer by
nitrobactor bacteria
bactosoma bacteria
rhizobium bacteria
nitrosomas bacteria
73
The process of photosynthesis and respiration
Are performed by all plants and animals
Are responsible for daily fluctuations in the DO of a lake.
All of the above are correct.
Are responsible for daily fluctuations in the PH of a lake.
74
homer swingle's greatest contribution to aquaculture was
He detaermined that catfish and fw shrimp could be grown economically for p
he determined that fw shrimp could be grown economically in the US
he determined that catfish could be grown economically for profit in the US
he determined that asia had the best environment for successful aquaculture
75
all of the following are true of recirculating aquaculture systems except____?
it uses more space and water than other types of systems
it is technically the most difficult type of aquaculture
power outages are problematic
it is the riskiest type of aquaculture
76
cartilaginous fishes that include sharks, skates, and rays
class osteichthyes
superclass gnathostomata
class chondrichthyes
superclass agnatha
77
colder water _______
holds the same dissolved oxygen as warm water
holds LESS dissolved oxygen
holds MORE dissolved oxygen
temperature does not affect dissolved oxygen
78
which species is not matched with its most common production method
oysters: semi-intrusive pond aquaculture
catfish: semi-intensive pond aquaculture
shrimp: semi-intrusive pond aquaculture
trout: raceway flow-through aquaculture
79
how does low DO levels affect organisms?
organisms eat more
organisms go through more cellular respiration
organisms decrease their metabolism to survive on lower amounts of DO
organisms may die or must leave if levels get too low
80
what can REMOVE dissolved oxygen from the water
decomposition
cellular respiration
warming waters
all answers are correct
81
how does a fish breathe
water thru mouth over gil fil. where o2 moves via osmosis
water thru mouth over gill fil. o2 diffuses into bloodstream
water thru nares over gill fil. where o2 moves via osmosis
water thru nares over gill fil. o2 diffuses into bloodstream
82
a(n) ________ system is one in which the water is pumped in at one place and removed at another.
mixed
open
integrated
closed
83
all of the following are warm-water species except
striped bass
red swamp crawfish
channel catfish
tilapia
84
what is the golden rule for tank maintenance?
remove all bacteria
use a light
do NOT overfeed
change out ALL of the wter once a week
85
water has a neutral because
it has more H+ ions than OH-
it has more OH- than H+
it has an equal amount H+ and OH- in solution
it does not produce any ions
86
The limiting nutrients in Freshwater systems is
Nitrogen
Calcium
Phosphorus
Potassium
87
chemical and physical process of delivering oxygen to cells or tissues.
mitochondria
respiration
breathing
osmosis
88
The state with the greatest diversity of Freshwater mollusks is
Mississippi
Alabama
Hawaii
Tennesee
89
how does bacteria affect dissolved oxygen (DO) in water bodies?
bacteria multiply DO by 8
increase DO through decomposition
decrease DO through decompositon
DO stays the same
90
what is one way to lower the amount of nitrates in your tank?
remove fish
lower the water temperature
do a partial water change
add more fish
91
what is a good range of do for lake lipsey?
all answers are correct
0-6 ppm
1-4 ppm
4-6 ppm
92
all of the following states are matched with their primary aquaculture species except
arkansas and baitfish
mississippi and catfish
louisiana and oysters
florida and tropical fish
93
alll of the following are potentially successful strategies for recreational ponds except
catfish only option
hybrid striped bass only option
largemouth bass, bream, and catfish option
trophy bass option
94
______ conveys sensation impulses to a fish's brain.
sensory system
circulatory system
respiratory system
nervous system
95
the ____ of a fish removes oxygen from the water and forces it through its gills
digestive system
nervous system
respiratory system
excretory system
96
the dogfish is an example of a
osteichthyes fish
agnatha fish
cartilaginous fish
jawless fish
97
rearing organisms in a natural situation is
extensive management
extensive aquaculture
intensive aquaculture
intensive management
98
which of the following is the correct equation for PHOTOSYNTHESIS?
light+carbon dioxide+water--> glucose+oxygen
carbon dioxide+sugar+water--> oxygen + light
carbon dioxide+oxygen+water-->light+sugar
oxygen+light+water---> carbon dioxide+sugar
99
buffering is
the amount of ammonia and nitrite in the water
the amount of calcium and magnesium in the water
the ability of water to resist pH change
the amount of carbon in the water
100
a good example of intensive aquaculture
catfish farming in the southeast united states
crawfish farming louisiana
indoor shrimp farming in a bio-floc production system
oyster ranching in the gulf of mexico

aquaculture Flashcards | StudBud