Question 1

The "Age of Fishes" was in the ___________ period.

Accepted Answer

A)  Permian 
B)  Cambrian 
C)  Carboniferous 
D)  Devonian 
E)  Silurian 
A)  Permian 
B)  Cambrian 
C)  Carboniferous 
D)  Devonian 
E)  Silurian

Question 2

Compare the ammocoete larva with the fry of a teleost fish.

Accepted Answer

The ammocoete larva is the larval form o

Question 3

Eel-like,jawless fishes with both marine and freshwater species belong to the class ____________.

Accepted Answer

The answer of Eel-like,jawless fishes with both marine and freshwater...

Question 4

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. 
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.

Question 5

The lateral-line system of sharks contains special receptor organs,called __________,that are sensitive to vibrations and currents in water.

Accepted Answer

The answer of The lateral-line system of sharks contains special...

Question 6

Why has the coelacanth apparently changed so little from its fossil ancestor of 70 million years ago?

Accepted Answer

The coelacanth, often referred to as a "

Question 7

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 8

Experiments have shown that homing salmon are guided upstream by the characteristic _________ of the parent stream.

Accepted Answer

The answer of Experiments have shown that homing salmon are...

Question 9

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 10

Great Lakes fisheries nearly collapsed last century due to an invasion by ____________ _____________.

Accepted Answer

The answer of Great Lakes fisheries nearly collapsed last century...

Question 11

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 12

Adult eels from both Europe and North America swim enormous distances to spawn at great depth in the ______ ______.

Accepted Answer

The answer of Adult eels from both Europe and North...

Question 13

Some sharks that develop a placental-like attachment for the nourishment of the embryo in the mother's reproductive system exhibit _______ reproduction.

Accepted Answer

The answer of Some sharks that develop a placental-like attachment...

Question 14

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 correct 
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 correct

Question 15

In the elasmobranchs,the sexes are separate and fertilization is _________.

Accepted Answer

The answer of In the elasmobranchs,the sexes are separate and...

Question 16

Sharks have __________ scales.

Accepted Answer

A)  placoid 
B)  ctenoid 
C)  cycloid 
D)  ganoid 
E)  polyploid 
A)  placoid 
B)  ctenoid 
C)  cycloid 
D)  ganoid 
E)  polyploid

Question 17

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 are correct 
A)  hypoosmotic regulators. 
B)  in osmotic equilibrium with seawater. 
C)  hyperosmotic regulators. 
D)  osmotic adjustors. 
E)  None of the choices are correct

Question 18

Explain why the discovery of a complete conodont animal was so important to understanding the evolutionary history of fishes.

Accepted Answer

The discovery of a complete conodont ani

Question 19

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 20

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

Exam 24: Fishes

The "Age of Fishes" was in the ___________ period.

Compare the ammocoete larva with the fry of a teleost fish.

Eel-like,jawless fishes with both marine and freshwater species belong to the class ____________.

The lungfishes

The lateral-line system of sharks contains special receptor organs,called __________,that are sensitive to vibrations and currents in water.

Why has the coelacanth apparently changed so little from its fossil ancestor of 70 million years ago?

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.

Experiments have shown that homing salmon are guided upstream by the characteristic _________ of the parent stream.

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

Great Lakes fisheries nearly collapsed last century due to an invasion by ____________ _____________.

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)?

Adult eels from both Europe and North America swim enormous distances to spawn at great depth in the ______ ______.

Some sharks that develop a placental-like attachment for the nourishment of the embryo in the mother's reproductive system exhibit _______ reproduction.

Hagfishes

In the elasmobranchs,the sexes are separate and fertilization is _________.

Sharks have __________ scales.

Marine bony fishes are

Explain why the discovery of a complete conodont animal was so important to understanding the evolutionary history of fishes.

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 __________.

Representatives of the most primitive non-teleost neopterygians are the

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Great Lakes fisheries nearly collapsed last century due to an invasion by _.

Adult eels from both Europe and North America swim enormous distances to spawn at great depth in the .