Question 1

Migratory fishes,such as the Atlantic salmon,that spend their adult lives at sea but return to fresh water to spawn are called ___________.

Accepted Answer

The answer of Migratory fishes,such as the Atlantic salmon,that spend...

Question 2

Ampullary organs of Lorenzini

Accepted Answer

A) are located along the lateral-line of a shark. 
B) help the shark see prey at night. 
C) help the shark detect bioelectric fields at a close range. 
D) detect orientation similar to that perceived by our semicircular canals. 
E) amplify sounds of struggling prey from great distances. 
A) are located along the lateral-line of a shark. 
B) help the shark see prey at night. 
C) help the shark detect bioelectric fields at a close range. 
D) detect orientation similar to that perceived by our semicircular canals. 
E) amplify sounds of struggling prey from great distances.

Question 3

The most primitive of the early fishes were the

Accepted Answer

A) Agnathans. 
B) Gnathostomes. 
C) Acanthodians. 
D) Lobe-finned fishes. 
E) Ray-finned fishes. 
A) Agnathans. 
B) Gnathostomes. 
C) Acanthodians. 
D) Lobe-finned fishes. 
E) Ray-finned fishes.

Question 4

Explain why some fish die if they are prevented from continuously swimming forward.

Accepted Answer

Some fish species, such as many sharks a

Question 5

The large spiracles on the top of the head of skates and rays are for

Accepted Answer

A) air intake for respiration. 
B) water intake to prevent clogging the gills. 
C) detection of bioelectric fields from prey buried in the sea bottom. 
D) detection of chemical odors in the water. 
A) air intake for respiration. 
B) water intake to prevent clogging the gills. 
C) detection of bioelectric fields from prey buried in the sea bottom. 
D) detection of chemical odors in the water.

Question 6

The gas gland of the teleost swim bladder contains a remarkable network of blood capillaries called the ___________ _____________.

Accepted Answer

The answer of The gas gland of the teleost swim...

Question 7

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

Accepted Answer

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

Question 8

The mechanism whereby buoyancy is achieved in different kinds of fishes is

Accepted Answer

A) through the presence of a large,oily liver when a swim bladder is not present. 
B) through the presence of a swim bladder that is kept filled as the fish periodically swims to the surface and gulps air. 
C) through the presence of a swim bladder that is regulated internally by structures that add or remove gas from the bladder by capillary beds. 
D) All of the choices are methods for achieving buoyancy. 
E) None of the choices is correct. 
A) through the presence of a large,oily liver when a swim bladder is not present. 
B) through the presence of a swim bladder that is kept filled as the fish periodically swims to the surface and gulps air. 
C) through the presence of a swim bladder that is regulated internally by structures that add or remove gas from the bladder by capillary beds. 
D) All of the choices are methods for achieving buoyancy. 
E) None of the choices is correct.

Question 9

What feature(s)separates a shark from a blue-gill?

Accepted Answer

A) Gill slits versus operculum 
B) Cartilage versus bones 
C) Internal versus external fertilization 
D) No swim bladder versus swim bladder 
E) All of the choices are correct distinctions 
A) Gill slits versus operculum 
B) Cartilage versus bones 
C) Internal versus external fertilization 
D) No swim bladder versus swim bladder 
E) All of the choices are correct distinctions

Question 10

Discuss the vascularization of the gills of fish.Is this homologous or analogous to the vascularization of mammalian lungs?

Accepted Answer

The vascularization of the gills of fish

Question 11

To replace water lost osmotically,marine fish

Accepted Answer

A) pump water inward across the gill surface by means of special absorptive cells. 
B) drink seawater and then pump extra salt outward across the gill surface by means of salt secretory cells,and excrete the remaining ions in the feces. 
C) increase glomerular filtration by the kidney. 
D) drink much more seawater and accumulate unwanted salts in crystalline form. 
E) produce water metabolically by the oxidation of food stuffs. 
A) pump water inward across the gill surface by means of special absorptive cells. 
B) drink seawater and then pump extra salt outward across the gill surface by means of salt secretory cells,and excrete the remaining ions in the feces. 
C) increase glomerular filtration by the kidney. 
D) drink much more seawater and accumulate unwanted salts in crystalline form. 
E) produce water metabolically by the oxidation of food stuffs.

Question 12

The Teleostomi fishes consist of what three major groups?

Accepted Answer

A) Acanthodii,actinopterygii,and sarcopterygii 
B) Chondricthyes,agnatha,and myxini 
C) Myxini,placoderms,and holocephali 
D) Agnatha,craniata,and osteichthyes 
E) None of the choices is correct 
A) Acanthodii,actinopterygii,and sarcopterygii 
B) Chondricthyes,agnatha,and myxini 
C) Myxini,placoderms,and holocephali 
D) Agnatha,craniata,and osteichthyes 
E) None of the choices is correct

Question 13

Compare the swimming mechanisms of invertebrates such as cnidarians,platyhelminthes,and annelids with those of the fishes.Is one form superior to another? Why or why not?

Accepted Answer

The swimming mechanisms of invertebrates

Question 14

How does a shark detect potential prey or distinguish it from floating non-living debris?

Accepted Answer

Sharks have evolved a sophisticated arra

Question 15

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 16

The primary propulsive mechanism of a fish is

Accepted Answer

A) its trunk and caudal musculature. 
B) movement of water into the mouth and forced out the gills. 
C) movement of the pectoral fins. 
D) movement of the pelvic fins. 
E) None of the choices is correct 
A) its trunk and caudal musculature. 
B) movement of water into the mouth and forced out the gills. 
C) movement of the pectoral fins. 
D) movement of the pelvic fins. 
E) None of the choices is correct

Question 17

The spiral valve in the intestine of a shark serves to

Accepted Answer

A) release strong acids to aid digestion. 
B) function as a liver in producing bile salts. 
C) entrap food molecules in a mucus strand. 
D) slow passage of food and increase absorptive surface area. 
E) propel food through the tract at a faster rate. 
A) release strong acids to aid digestion. 
B) function as a liver in producing bile salts. 
C) entrap food molecules in a mucus strand. 
D) slow passage of food and increase absorptive surface area. 
E) propel food through the tract at a faster rate.

Question 18

Sharks remove excess sodium chloride from blood by means of the kidney and the ____________ gland.

Accepted Answer

The answer of Sharks remove excess sodium chloride from blood...

Question 19

The cladistic use of the term "fish"

Accepted Answer

A) applies to a monophyletic group of aquatic vertebrates. 
B) includes all swimming animals from the amphioxus lancelet up to,but not including,the true amphibians. 
C) would also include the common ancestor with land vertebrates (including us)and a strict cladist would then include us in "fish." 
D) only includes aquatic vertebrates with gills. 
E) reflects any vertebrate that is adapted to water. 
A) applies to a monophyletic group of aquatic vertebrates. 
B) includes all swimming animals from the amphioxus lancelet up to,but not including,the true amphibians. 
C) would also include the common ancestor with land vertebrates (including us)and a strict cladist would then include us in "fish." 
D) only includes aquatic vertebrates with gills. 
E) reflects any vertebrate that is adapted to water.

Question 20

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

Exam 24: Fishes

Migratory fishes,such as the Atlantic salmon,that spend their adult lives at sea but return to fresh water to spawn are called ___________.

Ampullary organs of Lorenzini

The most primitive of the early fishes were the

Explain why some fish die if they are prevented from continuously swimming forward.

The large spiracles on the top of the head of skates and rays are for

The gas gland of the teleost swim bladder contains a remarkable network of blood capillaries called the ___________ _____________.

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

The mechanism whereby buoyancy is achieved in different kinds of fishes is

What feature(s)separates a shark from a blue-gill?

Discuss the vascularization of the gills of fish.Is this homologous or analogous to the vascularization of mammalian lungs?

To replace water lost osmotically,marine fish

The Teleostomi fishes consist of what three major groups?

Compare the swimming mechanisms of invertebrates such as cnidarians,platyhelminthes,and annelids with those of the fishes.Is one form superior to another? Why or why not?

How does a shark detect potential prey or distinguish it from floating non-living debris?

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

The primary propulsive mechanism of a fish is

The spiral valve in the intestine of a shark serves to

Sharks remove excess sodium chloride from blood by means of the kidney and the ____________ gland.

The cladistic use of the term "fish"

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

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectual Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Hexapods

Chaetognaths, echinoderms, and Hemichordates

Chordates

Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Support, Protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

Immunity

Animal Behavior

Animal Distribution

Animal Ecology

Filters

The gas gland of the teleost swim bladder contains a remarkable network of blood capillaries called the _ ___.

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