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

Discuss the efficiency of swimming versus walking or flying,in energy cost per kilogram per unit distance covered.How does this translate into advantages for being small or large?

Accepted Answer

Swimming, walking, and flying all have d

Question 3

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 correct 
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 correct

Question 4

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 5

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 6

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

Accepted Answer

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

Question 7

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 8

Sarcopterygians are the sister group of the ________.

Accepted Answer

The answer of Sarcopterygians are the sister group of the...

Question 9

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 are 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 are correct

Question 10

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

Accepted Answer

Sharks have evolved a sophisticated arra

Question 11

The gills of bony fishes are covered with a movable flap called the __________.

Accepted Answer

The answer of The gills of bony fishes are covered...

Question 12

Unlike other vertebrates,the body fluids of hagfishes are

Accepted Answer

A)  Strongly hypoosmotic to seawater. 
B)  Strongly hyperosmotic to seawater. 
C)  In osmotic equilibrium with seawater. 
D)  Very concentrated, with over 80% blood solids. 
E)  Under high internal pressure near the surface. 
A)  Strongly hypoosmotic to seawater. 
B)  Strongly hyperosmotic to seawater. 
C)  In osmotic equilibrium with seawater. 
D)  Very concentrated, with over 80% blood solids. 
E)  Under high internal pressure near the surface.

Question 13

The cartilaginous fishes do NOT include

Accepted Answer

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

Question 14

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 lung 
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 lung

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

How do we determine the age of a fish from its scales? Why are there rings on the scales? What do the rings represent?

Accepted Answer

The age of a fish can be determined by e

Question 17

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 18

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 are 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 are correct.

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

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

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 ___________.

Discuss the efficiency of swimming versus walking or flying,in energy cost per kilogram per unit distance covered.How does this translate into advantages for being small or large?

In North America,knowledge of the biology of lampreys

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

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?

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

The most primitive of the early fishes were the

Sarcopterygians are the sister group of the ________.

The primary propulsive mechanism of a fish is

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

The gills of bony fishes are covered with a movable flap called the __________.

Unlike other vertebrates,the body fluids of hagfishes are

The cartilaginous fishes do NOT include

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

How do we determine the age of a fish from its scales? Why are there rings on the scales? What do the rings represent?

To replace water lost osmotically,marine fish

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

The cladistic use of the term "fish"

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

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

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

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 Distributions

Animal Ecology

Filters