Question 1

Why do amphibians need a moist environment?

Accepted Answer

A)  Amphibians require a moist environment for their scales to develop. 
B)  Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak. 
C)  Their eggs have only a jelly-like coating that needs to stay moist. 
D)  Amphibians eat only aquatic organisms. 
E)  The gills of the adult wonʹt work if they dry out. 
A)  Amphibians require a moist environment for their scales to develop. 
B)  Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak. 
C)  Their eggs have only a jelly-like coating that needs to stay moist. 
D)  Amphibians eat only aquatic organisms. 
E)  The gills of the adult wonʹt work if they dry out.

Question 2

Hagfishes lack jaws.

Accepted Answer

A) True 
 B)False

Question 3

An animal that has a four-chambered heart, is endothermic, and does not give birth to live offspring can be classified as a(n)

Accepted Answer

A)  bird. 
B)  mammal. 
C)  reptile. 
D)  mollusk. 
E)  amphibian. 
A)  bird. 
B)  mammal. 
C)  reptile. 
D)  mollusk. 
E)  amphibian.

Question 4

All chordates have

Accepted Answer

A)  a backbone. 
B)  gills. 
C)  a ventral, hollow nerve cord. 
D)  a post-anal tail. 
E)  a bony endoskeleton. 
A)  a backbone. 
B)  gills. 
C)  a ventral, hollow nerve cord. 
D)  a post-anal tail. 
E)  a bony endoskeleton.

Question 5

The discovery of a coelacanth in South Africa in 1938 was surprising to biologists because it

Accepted Answer

A)  was thought to be extinct. 
B)  has not evolved for more than 80 million years. 
C)  was a newly evolved species. 
D)  is the first species to have made the transition to land. 
E)  represents a transition between two major groups of fishes. 
A)  was thought to be extinct. 
B)  has not evolved for more than 80 million years. 
C)  was a newly evolved species. 
D)  is the first species to have made the transition to land. 
E)  represents a transition between two major groups of fishes.

Question 6

Cartilaginous fishes lack gills in their adult form.

Accepted Answer

A) True 
 B)False

Question 7

The fins of the coelacanth have rod-shaped bones and thick muscles.

Accepted Answer

A) True 
 B)False

Question 8

Why have reptiles successfully adapted to land?

Accepted Answer

A)  They nurse their young. 
B)  They are endothermic. 
C)  They have a two-chambered heart to maximize oxygen utilization. 
D)  They produce eggs that resist dehydration. 
E)  They lack gills at any point during their development. 
A)  They nurse their young. 
B)  They are endothermic. 
C)  They have a two-chambered heart to maximize oxygen utilization. 
D)  They produce eggs that resist dehydration. 
E)  They lack gills at any point during their development.

Question 9

Endothermic animals have four-chambered hearts.

Accepted Answer

A) True 
 B)False

Question 10

__________are the mammals with the greatest number of species.

Accepted Answer

A)  Bats 
B)  Primates 
C)  Whales 
D)  Marsupials 
E)  Rodents 
A)  Bats 
B)  Primates 
C)  Whales 
D)  Marsupials 
E)  Rodents

Question 11

One adaptation that enables an animal to live successfully on dry land is

Accepted Answer

A)  external fertilization. 
B)  gills. 
C)  development in a shelled egg. 
D)  a two-chambered heart. 
E)  moist skin used for gas exchange. 
A)  external fertilization. 
B)  gills. 
C)  development in a shelled egg. 
D)  a two-chambered heart. 
E)  moist skin used for gas exchange.

Question 12

Which of the following is essential for birds to maintain their high metabolic rate?

Accepted Answer

A)  Hollow bones, which decrease body mass 
B)  Extraordinary coordination by a well-developed nervous system 
C)  Embryonic development in a shelled amniotic egg 
D)  Skin that is used as a respiratory structure 
E)  A four-chambered heart, which maximizes oxygen delivery 
A)  Hollow bones, which decrease body mass 
B)  Extraordinary coordination by a well-developed nervous system 
C)  Embryonic development in a shelled amniotic egg 
D)  Skin that is used as a respiratory structure 
E)  A four-chambered heart, which maximizes oxygen delivery

Question 13

A tadpole is a(n)

Accepted Answer

A)  amphibian. 
B)  cartilaginous fish. 
C)  invertebrate chordate. 
D)  jawless fish. 
E)  bony fish. 
A)  amphibian. 
B)  cartilaginous fish. 
C)  invertebrate chordate. 
D)  jawless fish. 
E)  bony fish.

Question 14

Hagfishes and lampreys differ from other fishes because they lack__________ .

Accepted Answer

The answer of Hagfishes and lampreys differ from other fishes...

Question 15

__________have a dorsal nerve cord.

Accepted Answer

A)  Starfishes 
B)  Bugs 
C)  Earthworms 
D)  Sharks 
E)  Leeches 
A)  Starfishes 
B)  Bugs 
C)  Earthworms 
D)  Sharks 
E)  Leeches

Question 16

In vertebrates, the analogous structure to the notochord is

Accepted Answer

A)  a backbone. 
B)  a nerve cord. 
C)  a skull. 
D)  fins. 
E)  jaws. 
A)  a backbone. 
B)  a nerve cord. 
C)  a skull. 
D)  fins. 
E)  jaws.

Question 17

Nearly all marsupials are found in__________ .

Accepted Answer

The answer of Nearly all marsupials are found in__________ ....

Question 18

Which of the following is TRUE of all reptiles?

Accepted Answer

A)  They are predatory carnivores. 
B)  They have teeth. 
C)  They are exclusively terrestrial. 
D)  They have four well-developed limbs. 
E)  They have a heart with either three or four chambers. 
A)  They are predatory carnivores. 
B)  They have teeth. 
C)  They are exclusively terrestrial. 
D)  They have four well-developed limbs. 
E)  They have a heart with either three or four chambers.

Question 19

What characteristics allowed reptiles to become completely terrestrial?

Accepted Answer

Reptiles evolved scaly skin that resists

Question 20

A lamprey is a(n)

Accepted Answer

A)  amphibian. 
B)  bony fish. 
C)  invertebrate chordate. 
D)  cartilaginous fish. 
E)  jawless fish. 
A)  amphibian. 
B)  bony fish. 
C)  invertebrate chordate. 
D)  cartilaginous fish. 
E)  jawless fish.

Exam 25: Animal Diversity Ii: Vertebrates

Why do amphibians need a moist environment?

Hagfishes lack jaws.

An animal that has a four-chambered heart, is endothermic, and does not give birth to live offspring can be classified as a(n)

All chordates have

The discovery of a coelacanth in South Africa in 1938 was surprising to biologists because it

Cartilaginous fishes lack gills in their adult form.

The fins of the coelacanth have rod-shaped bones and thick muscles.

Why have reptiles successfully adapted to land?

Endothermic animals have four-chambered hearts.

__________are the mammals with the greatest number of species.

One adaptation that enables an animal to live successfully on dry land is

Which of the following is essential for birds to maintain their high metabolic rate?

A tadpole is a(n)

Hagfishes and lampreys differ from other fishes because they lack__________ .

__________have a dorsal nerve cord.

In vertebrates, the analogous structure to the notochord is

Nearly all marsupials are found in__________ .

Which of the following is TRUE of all reptiles?

What characteristics allowed reptiles to become completely terrestrial?

A lamprey is a(n)

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Harvesting Energy: Glycolysis and Cellular Respiration

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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