Question 1

Darters are fish that live in fast-running rapids;they eat surface insects,they rest on the bottom avoiding the push of the water,and make brief frantic dashes to the surface to feed.If they swam midstream,they would expend a huge amount of energy.What physiological strategy allows them to live on the bottom?

Accepted Answer

A)  Lack of gills
B)  Loss of a lateral-line
C)  Loss of a swim bladder
D)  Reduction in fin size and number
E)  Expansion of a swim bladder into a lungF) A) and B)
G) B) and E)

Question 2

The term for external fish reproduction where eggs are released and sperm (milt)is exuded over the eggs.

Accepted Answer

The answer of The term for external fish reproduction where...

Question 3

The lungfishes

Accepted Answer

A)  are all extinct.
B)  do not really have functional lungs.
C)  live only in Australia,Africa,and South America.
D)  are an aberrant branch of the cartilaginous fishes.
E)  are survivors of primitive ray-finned fishes.F) A) and B)
G) None of the above

Question 4

A lobe-finned fish thought to have been extinct for 70 million years,but discovered off the coast of South Africa in 1938,is called the __________.

Accepted Answer

The answer of A lobe-finned fish thought to have been...

Question 5

Hagfishes

Accepted Answer

A)  are entirely fresh water animals.
B)  are parasitic.
C)  have a complex but well-researched reproductive cycle.
D)  generate enormous quantities of slime if disturbed.
E)  All of the choices are correctF) B) and E)
G) A) and E)

Question 6

In North America,knowledge of the biology of lampreys

Accepted Answer

A)  has led to the understanding that all native lampreys are parasitic.
B)  led to the limited control of lampreys by larvicides and release of sterile males.
C)  led to understanding that prey fish always die after lamprey has gorged and abandoned the prey.
D)  All of the choices are correctE) C) and D)
F) All of the above

Question 7

Cartilaginous fishes

Accepted Answer

A)  lost the heavy dermal armor of their ancestors.
B)  had ancestors with bone but moved to an all cartilage skeleton.
C)  flourished in the Devonian and Carboniferous but nearly went extinct at the end of the Paleozoic.
D)  lack a swim bladder.
E)  All of the choices are correctF) None of the above
G) D) and E)

Question 8

The group designation _________ was formerly considered a class name and designated bony fishes that possessed a swim bladder or lungs.Cladistic analysis has resulted in the division of this group into two classes.One includes ray-finned fishes and the other lobe-finned fishes.

Accepted Answer

The answer of The group designation _________ was formerly considered...

Question 9

The cartilaginous fishes do NOT include

Accepted Answer

A)  skates.
B)  rays.
C)  sharks.
D)  eels.
E)  All of the choices are cartilaginous fishesF) A) and E)
G) D) and E)

Question 10

The hagfish has a keen sense of

Accepted Answer

A)  depth and water pressure in order to control its swim bladder.
B)  smell and touch in order to locate dead and dying fish.
C)  sight in order to locate dying fish and annelids,molluscs,and crustaceans.
D)  hearing in order to locate prey in dark depths.
E)  All of the choices are well-developed in hagfishF) B) and E)
G) All of the above

Question 11

The class ____________ is composed of vertebrates having placoid scales,a heterocercal caudal fin,a ventral mouth,and a cartilaginous endoskeleton.

Accepted Answer

The answer of The class ____________ is composed of vertebrates...

Question 12

Why is there a relationship between fish size and speed? Does this not start an evolutionary speed race driving predator and prey to grow to ever increasing lengths? Why do any small fish survive?

Accepted Answer

The relationship between fish size and s...

Question 13

Outline and compare the life histories of Pacific Salmon and the North Atlantic eel.Which of these two life histories is the more evolutionarily successful (in your opinion)?

Accepted Answer

The life histories of Pacific Salmon and...

Question 14

Representatives of the most primitive non-teleost neopterygians are the

Accepted Answer

A)  gar and bowfin.
B)  sturgeon and paddle-fish.
C)  coelacanths.
D)  minnows and suckers.
E)  carp and buffalo fish.F) A) and B)
G) A) and C)

Question 15

Discuss the difficulty of sound detection faced by fish and the adaptations that have evolved in certain groups to help increase their hearing sensitivity.

Accepted Answer

Sound detection in water presents unique...

Question 16

Marine bony fishes are

Accepted Answer

A)  hypoosmotic regulators.
B)  in osmotic equilibrium with seawater.
C)  hyperosmotic regulators.
D)  osmotic adjustors.
E)  None of the choices is correctF) A) and E)
G) A) and C)

Question 17

The lateral-line of a shark is used for

Accepted Answer

A)  detecting and locating objects and moving animals in the water.
B)  excretion of urea and water.
C)  detecting odors.
D)  secreting mucus as a swimming lubricant.
E)  detecting the heat of prey animals.F) A) and B)
G) A) and C)

Question 18

In schooling,fish rely on sensitivity to vibration and water currents.This is provided by cells called neuromasts located inside what structure?

Accepted Answer

A)  Caudal fin
B)  Gills
C)  Swim bladder
D)  Lateral-line
E)  Placoid scalesF) B) and C)
G) A) and B)

Question 19

How is gas moved into and out of the teleost swim bladder? Describe the physiological process in detail.

Accepted Answer

The teleost swim bladder is a gas-filled...

Question 20

The class __________ is composed of vertebrates having eel-like bodies,a biting mouth with two rows of teeth,and numerous slime glands.

Accepted Answer

The answer of The class __________ is composed of vertebrates...

Exam 24: Fishes

Marine bony fishes are

Correct Answer
verified

Discuss the difficulty of sound detection faced by fish and the adaptations that have evolved in certain groups to help increase their hearing sensitivity.

Correct Answer
Answered by ExamLex AI
Sound detection in water presents unique...
View Answer

In North America,knowledge of the biology of lampreys

Correct Answer
verified

Correct Answer
verified

The lateral-line of a shark is used for

Correct Answer
verified

The hagfish has a keen sense of

Correct Answer
verified

The cartilaginous fishes do NOT include

Correct Answer
verified

The class ____________ is composed of vertebrates having placoid scales,a heterocercal caudal fin,a ventral mouth,and a cartilaginous endoskeleton.

Correct Answer
verified

How is gas moved into and out of the teleost swim bladder? Describe the physiological process in detail.

Correct Answer
Answered by ExamLex AI
The teleost swim bladder is a gas-filled...
View Answer

Representatives of the most primitive non-teleost neopterygians are the

Correct Answer
verified

The class __________ is composed of vertebrates having eel-like bodies,a biting mouth with two rows of teeth,and numerous slime glands.

Correct Answer
verified

The lungfishes

Correct Answer
verified

The term for external fish reproduction where eggs are released and sperm (milt)is exuded over the eggs.

Correct Answer
verified

Why is there a relationship between fish size and speed? Does this not start an evolutionary speed race driving predator and prey to grow to ever increasing lengths? Why do any small fish survive?

Correct Answer
Answered by ExamLex AI
The relationship between fish size and s...
View Answer

Cartilaginous fishes

Correct Answer
verified

The group designation _________ was formerly considered a class name and designated bony fishes that possessed a swim bladder or lungs.Cladistic analysis has resulted in the division of this group into two classes.One includes ray-finned fishes and the other lobe-finned fishes.

Correct Answer
verified

In schooling,fish rely on sensitivity to vibration and water currents.This is provided by cells called neuromasts located inside what structure?

Correct Answer
verified

Hagfishes

Correct Answer
verified

Outline and compare the life histories of Pacific Salmon and the North Atlantic eel.Which of these two life histories is the more evolutionarily successful (in your opinion)?

Correct Answer
Answered by ExamLex AI
The life histories of Pacific Salmon and...
View Answer

A lobe-finned fish thought to have been extinct for 70 million years,but discovered off the coast of South Africa in 1938,is called the __________.

Correct Answer
verified

Exam 24: Fishes

Marine bony fishes are

Correct AnswerverifiedShow Answer

Discuss the difficulty of sound detection faced by fish and the adaptations that have evolved in certain groups to help increase their hearing sensitivity.

Correct AnswerAnswered by ExamLex AISound detection in water presents unique...View AnswerShow Answer

In North America,knowledge of the biology of lampreys

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The lateral-line of a shark is used for

Correct AnswerverifiedShow Answer

The hagfish has a keen sense of

Correct AnswerverifiedShow Answer

The cartilaginous fishes do NOT include

Correct AnswerverifiedShow Answer

The class ____________ is composed of vertebrates having placoid scales,a heterocercal caudal fin,a ventral mouth,and a cartilaginous endoskeleton.

Correct AnswerverifiedShow Answer

How is gas moved into and out of the teleost swim bladder? Describe the physiological process in detail.

Correct AnswerAnswered by ExamLex AIThe teleost swim bladder is a gas-filled...View AnswerShow Answer

Representatives of the most primitive non-teleost neopterygians are the

Correct AnswerverifiedShow Answer

The class __________ is composed of vertebrates having eel-like bodies,a biting mouth with two rows of teeth,and numerous slime glands.

Correct AnswerverifiedShow Answer

The lungfishes

Correct AnswerverifiedShow Answer

The term for external fish reproduction where eggs are released and sperm (milt)is exuded over the eggs.

Correct AnswerverifiedShow Answer

Why is there a relationship between fish size and speed? Does this not start an evolutionary speed race driving predator and prey to grow to ever increasing lengths? Why do any small fish survive?

Correct AnswerAnswered by ExamLex AIThe relationship between fish size and s...View AnswerShow Answer

Cartilaginous fishes

Correct AnswerverifiedShow Answer

The group designation _________ was formerly considered a class name and designated bony fishes that possessed a swim bladder or lungs.Cladistic analysis has resulted in the division of this group into two classes.One includes ray-finned fishes and the other lobe-finned fishes.

Correct AnswerverifiedShow Answer

In schooling,fish rely on sensitivity to vibration and water currents.This is provided by cells called neuromasts located inside what structure?

Correct AnswerverifiedShow Answer

Hagfishes

Correct AnswerverifiedShow Answer

Outline and compare the life histories of Pacific Salmon and the North Atlantic eel.Which of these two life histories is the more evolutionarily successful (in your opinion)?

Correct AnswerAnswered by ExamLex AIThe life histories of Pacific Salmon and...View AnswerShow Answer

A lobe-finned fish thought to have been extinct for 70 million years,but discovered off the coast of South Africa in 1938,is called the __________.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Sound detection in water presents unique...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The teleost swim bladder is a gas-filled...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The relationship between fish size and s...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The life histories of Pacific Salmon and...
View Answer

Correct Answer
verified