Exam 25: Aquaculture Identification and Production Management

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______________________ is a disease commonly called "dropsy" that causes a fish to swell up with fluid.

(Short Answer)
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Match the following terms with the correct definition.
Premises:
spawn
Responses:
structures that act as lungs as water crosses over them
fin on the tail
nest eggs of fish
Correct Answer:
Verified
Premises:
Responses:
spawn
structures that act as lungs as water crosses over them
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What percentage of their body should fish be fed?

(Multiple Choice)
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serve as lungs that filter out oxygen in the water to allow fish to breathe
Responses:
barbels
operculum
swim bladder
Correct Answer:
Verified
Premises:
Responses:
serve as lungs that filter out oxygen in the water to allow fish to breathe
barbels
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Match the following terms with the correct definition.
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aquatic species that have a thick, hard shell and no limbs
Responses:
dissolved oxygen
dropsy
tank
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Premises:
Responses:
aquatic species that have a thick, hard shell and no limbs
dissolved oxygen
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There are more cool water species of animals than warm or cold.

(True/False)
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Which of the following is NOT a source of fin rot?

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What muscle allows mollusks to open and close their shells?

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common fish disease caused by a protozoan parasite that causes fish to develop white spots over the body and fins
Responses:
mouth brooder
hatchery
mollusk
Correct Answer:
Verified
Premises:
Responses:
common fish disease caused by a protozoan parasite that causes fish to develop white spots over the body and fins
mouth brooder
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_________________ is done by placing pressure on the abdomen to remove eggs or sperm.

(Short Answer)
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Match the following terms with the correct definition.
Premises:
yolk sac of fish that is attached for a day after hatching
Responses:
swim bladder
plankton
hatchery
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Verified
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Responses:
yolk sac of fish that is attached for a day after hatching
swim bladder
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Which of the following animals is a mollusk?

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The ___________________ is the number of aquatic species in a volume of water.

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Match the following terms with the correct definition.
Premises:
plankton
Responses:
gill cover that divides the head from the trunk
structures that act as lungs as water crosses over them
nest eggs of fish
Correct Answer:
Verified
Premises:
Responses:
plankton
gill cover that divides the head from the trunk
(Matching)
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Match the following terms with the correct definition.
Premises:
operculum
Responses:
salt content of water
the reproduction or breeding phase of fish
immature fish under an inch in size
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Premises:
Responses:
operculum
salt content of water
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Match the following terms with the correct definition.
Premises:
tail that acts as a propeller to move the fish through water
Responses:
gills
mollusk
plankton
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Verified
Premises:
Responses:
tail that acts as a propeller to move the fish through water
gills
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Match the following terms with the correct definition.
Premises:
barbs
Responses:
fluid build up in body due to a bacteria or virus
fin on the tail
plant source found naturally in water
Correct Answer:
Verified
Premises:
Responses:
barbs
fluid build up in body due to a bacteria or virus
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List 5 aquaculture production systems.

(Short Answer)
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What is the term for fish sperm?

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_____________ is a bacterial condition that causes tissues to erode and wear away.

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