Question 1

What characteristic of hagfishes differentiates them from lancelets and tunicates?

Accepted Answer

A) dorsal nerve cord 
B) bony jaws 
C) gills 
D) post-anal tail 
E) skull surrounding the brain 
A) dorsal nerve cord 
B) bony jaws 
C) gills 
D) post-anal tail 
E) skull surrounding the brain E

Question 2

To prevent dehydration, reptiles have:

Accepted Answer

A) embryos that lack gills. 
B) eggs that contain no water. 
C) scaly skin. 
D) a four-chambered heart. 
E) moist, slime-covered skin. 
A) embryos that lack gills. 
B) eggs that contain no water. 
C) scaly skin. 
D) a four-chambered heart. 
E) moist, slime-covered skin. C

Question 3

Adult tunicates have lost two embryonic features: the tail and the ________.

Accepted Answer

notochord

Question 4

Which characteristic differentiates hagfishes from other craniates?

Accepted Answer

A) skeletal elements surrounding the nerve cord 
B) bony jaws 
C) two-chambered hearts 
D) lobe-like fins 
E) a lack of gills 
A) skeletal elements surrounding the nerve cord 
B) bony jaws 
C) two-chambered hearts 
D) lobe-like fins 
E) a lack of gills

Question 5

What is the advantage of paired appendages?

Accepted Answer

A) They improve mobility. 
B) They protect the nerve cord. 
C) They provide internal support for the animal. 
D) They improve the sensory ability. 
E) They increase the metabolic rate, making animals endothermic. 
A) They improve mobility. 
B) They protect the nerve cord. 
C) They provide internal support for the animal. 
D) They improve the sensory ability. 
E) They increase the metabolic rate, making animals endothermic.

Question 6

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

Question 7

Hagfishes have three-chambered hearts, which improve gas exchange with the lungs. True or False?

Accepted Answer

A) True 
 B)False

Question 8

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

Accepted Answer

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

Question 9

Why are lampreys classified as vertebrates?

Accepted Answer

A) They are ectothermic. 
B) They lack jaws. 
C) They lack gills. 
D) They have an exoskeleton. 
E) Their nerve cord is surrounded by cartilage. 
A) They are ectothermic. 
B) They lack jaws. 
C) They lack gills. 
D) They have an exoskeleton. 
E) Their nerve cord is surrounded by cartilage.

Question 10

Why do amphibians need a moist environment?

Accepted Answer

A) The gills of the adult won't work if they dry out. 
B) Amphibians eat only aquatic organisms. 
C) Their eggs have only a jelly-like coating that needs to stay moist. 
D) Amphibians require a moist environment for their scales to develop. 
E) Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak. 
A) The gills of the adult won't work if they dry out. 
B) Amphibians eat only aquatic organisms. 
C) Their eggs have only a jelly-like coating that needs to stay moist. 
D) Amphibians require a moist environment for their scales to develop. 
E) Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak.

Question 11

The great size and mobility of the vertebrates are associated with:

Accepted Answer

A) four-chambered hearts. 
B) lungs used for respiration. 
C) lightweight endoskeletons. 
D) uterine development of offspring. 
E) increased brain size and complexity. 
A) four-chambered hearts. 
B) lungs used for respiration. 
C) lightweight endoskeletons. 
D) uterine development of offspring. 
E) increased brain size and complexity.

Question 12

Which were the first tetrapods to move to land?

Accepted Answer

A) amphibians 
B) reptiles 
C) hagfishes 
D) ray-finned fishes 
E) monotremes 
A) amphibians 
B) reptiles 
C) hagfishes 
D) ray-finned fishes 
E) monotremes

Question 13

Hagfishes and lampreys differ from other fishes because they lack ________.

Accepted Answer

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

Question 14

How do hagfishes differ from lobe-finned fishes and cartilaginous fishes?

Accepted Answer

Hagfishes lack both

Question 15

The amnion creates an aquatic environment for developing embryos. True or False?

Accepted Answer

A) True 
 B)False

Question 16

Salamanders are the only vertebrate capable of regenerating lost limbs. True or False?

Accepted Answer

A) True 
 B)False

Question 17

Cartilaginous fishes differ from lampreys because they:

Accepted Answer

A) lack a skull. 
B) lack a skeleton. 
C) have jaws. 
D) are ectotherms. 
E) have a three-chambered heart. 
A) lack a skull. 
B) lack a skeleton. 
C) have jaws. 
D) are ectotherms. 
E) have a three-chambered heart.

Question 18

Hagfishes lack jaws. True or False?

Accepted Answer

A) True 
 B)False

Question 19

The ________ are aquatic reptiles that lack a shell.

Accepted Answer

The answer of The ________ are aquatic reptiles that lack...

Question 20

A shark is a(n):

Accepted Answer

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

Exam 24: Animal Diversity Ii: Vertebrates

What characteristic of hagfishes differentiates them from lancelets and tunicates?

To prevent dehydration, reptiles have:

Adult tunicates have lost two embryonic features: the tail and the ________.

Which characteristic differentiates hagfishes from other craniates?

What is the advantage of paired appendages?

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

Hagfishes have three-chambered hearts, which improve gas exchange with the lungs. True or False?

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

Why are lampreys classified as vertebrates?

Why do amphibians need a moist environment?

The great size and mobility of the vertebrates are associated with:

Which were the first tetrapods to move to land?

Hagfishes and lampreys differ from other fishes because they lack ________.

How do hagfishes differ from lobe-finned fishes and cartilaginous fishes?

The amnion creates an aquatic environment for developing embryos. True or False?

Salamanders are the only vertebrate capable of regenerating lost limbs. True or False?

Cartilaginous fishes differ from lampreys because they:

Hagfishes lack jaws. True or False?

The ________ are aquatic reptiles that lack a shell.

A shark 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

The Continuity of Life: Cellular 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 Amidst 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

How Do Ecosystems Work

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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