Question 1

What is the function of the vertebral column?

Accepted Answer

A)  Provide weight in aquatic life- forms 
B)  Help increase the metabolic rate 
C)  Limit muscle attachments 
D)  Tear and crush food 
E)  Protect the nerve cord 
A)  Provide weight in aquatic life- forms 
B)  Help increase the metabolic rate 
C)  Limit muscle attachments 
D)  Tear and crush food 
E)  Protect the nerve cord

Question 2

Larval sea squirts

Accepted Answer

A)  display all four chordate characteristics. 
B)  live in fresh water. 
C)  lack a notochord. 
D)  are sessile. 
E)  have a brain encased in bone. 
A)  display all four chordate characteristics. 
B)  live in fresh water. 
C)  lack a notochord. 
D)  are sessile. 
E)  have a brain encased in bone.

Question 3

A shark is a(n)

Accepted Answer

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

Question 4

Skates and other cartilaginous fishes lack jaws.

Accepted Answer

A) True 
 B)False

Question 5

All chordates that have a skull made of either bone or cartilage surrounding the brain are classified as .

Accepted Answer

The answer of All chordates that have a skull made...

Question 6

Lampreys are endothermic.

Accepted Answer

A) True 
 B)False

Question 7

Mammals have a heart.

Accepted Answer

The answer of Mammals have a heart....

Question 8

During embryonic development, the tail in mammals extends past the anus.

Accepted Answer

A) True 
 B)False

Question 9

A(n) protects the internal organs of ray- finned fishes.

Accepted Answer

A)  exoskeleton made of cartilage 
B)  internal cartilage skeleton 
C)  internal bony skeleton 
D)  exoskeleton made of chitin 
E)  notochord 
A)  exoskeleton made of cartilage 
B)  internal cartilage skeleton 
C)  internal bony skeleton 
D)  exoskeleton made of chitin 
E)  notochord

Question 10

Lancelets, tunicates, and craniates are all classified as .

Accepted Answer

The answer of Lancelets, tunicates, and craniates are all classified...

Question 11

have a dorsal nerve cord.

Accepted Answer

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

Question 12

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

Accepted Answer

Hagfishes lack both

Question 13

During embryonic development, all chordates have a nerve cord.

Accepted Answer

The answer of During embryonic development, all chordates have a...

Question 14

Why have populations of many ray- finned fish species decreased in recent years?

Accepted Answer

A)  Overfishing by humans 
B)  Bacterial disease 
C)  Loss of their prey species 
D)  Parasitism by lampreys 
E)  Pollution of their environment 
A)  Overfishing by humans 
B)  Bacterial disease 
C)  Loss of their prey species 
D)  Parasitism by lampreys 
E)  Pollution of their environment

Question 15

Nearly all marsupials are found in .

Accepted Answer

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

Question 16

This animal has

Accepted Answer

A)  hard- shelled eggs. 
B)  placental development. 
C)  a cartilage skeleton. 
D)  a pre- anal tail. 
E)  bony spines within its fins. 
A)  hard- shelled eggs. 
B)  placental development. 
C)  a cartilage skeleton. 
D)  a pre- anal tail. 
E)  bony spines within its fins.

Question 17

On a remote island, a new animal is found. It has a four- chambered heart and lungs and is endothermic. It has internal fertilization, lays shelled eggs, and nurses its young after they hatch. This animal is most likely a(n)

Accepted Answer

A)  coelacanth. 
B)  amphibian. 
C)  reptile. 
D)  monotreme. 
E)  marsupial. 
A)  coelacanth. 
B)  amphibian. 
C)  reptile. 
D)  monotreme. 
E)  marsupial.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

Fins composed of rod- shaped bones surrounded by thick layers of muscle are characteristic of

Accepted Answer

A)  cartilaginous fishes. 
B)  lobe- finned fishes. 
C)  lampreys. 
D)  ray- finned fishes. 
E)  hagfishes. 
A)  cartilaginous fishes. 
B)  lobe- finned fishes. 
C)  lampreys. 
D)  ray- finned fishes. 
E)  hagfishes.

Question 20

A turtle is classified as a(n) .

Accepted Answer

The answer of A turtle is classified as a(n) ....

Exam 25: Animal Diversity II: Vertebrates

What is the function of the vertebral column?

Larval sea squirts

A shark is a(n)

Skates and other cartilaginous fishes lack jaws.

All chordates that have a skull made of either bone or cartilage surrounding the brain are classified as .

Lampreys are endothermic.

Mammals have a heart.

During embryonic development, the tail in mammals extends past the anus.

A(n) protects the internal organs of ray- finned fishes.

Lancelets, tunicates, and craniates are all classified as .

have a dorsal nerve cord.

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

During embryonic development, all chordates have a nerve cord.

Why have populations of many ray- finned fish species decreased in recent years?

Nearly all marsupials are found in .

This animal has

On a remote island, a new animal is found. It has a four- chambered heart and lungs and is endothermic. It has internal fertilization, lays shelled eggs, and nurses its young after they hatch. This animal is most likely a(n)

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

Fins composed of rod- shaped bones surrounded by thick layers of muscle are characteristic of

A turtle is classified as 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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