Question 1

How does the nerve cord of chordates differ from the nerve cord of animals in other taxonomic groups?

Accepted Answer

A)  It runs along the dorsal side of the body. 
B)  It does not develop until after the embryonic period. 
C)  It does not extend into the tail. 
D)  It is surrounded by bone. 
E)  It develops from the gill slits. 
A)  It runs along the dorsal side of the body. 
B)  It does not develop until after the embryonic period. 
C)  It does not extend into the tail. 
D)  It is surrounded by bone. 
E)  It develops from the gill slits.

Question 2

Parasitic lampreys have

Accepted Answer

A)  radial proportions. 
B)  sucker-like mouths lined with teeth. 
C)  internal fertilization. 
D)  a three-chambered heart. 
E)  bony jaws. 
A)  radial proportions. 
B)  sucker-like mouths lined with teeth. 
C)  internal fertilization. 
D)  a three-chambered heart. 
E)  bony jaws.

Question 3

The amnion creates an aquatic environment for developing embryos.

Accepted Answer

A) True 
 B)False

Question 4

This animal is classified as a

Accepted Answer

A)  monotreme. 
B)  tunicate. 
C)  ray-finned fish. 
D)  lamprey. 
E)  lobe-finned fish. 
A)  monotreme. 
B)  tunicate. 
C)  ray-finned fish. 
D)  lamprey. 
E)  lobe-finned fish.

Question 5

What is the advantage of paired appendages?

Accepted Answer

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

Question 6

The placenta in mammals is responsible for gas exchange for the embryo.

Accepted Answer

A) True 
 B)False

Question 7

Which characteristic differentiates hagfishes from other craniates?

Accepted Answer

A)  Two-chambered hearts 
B)  Skeletal elements surrounding the nerve cord 
C)  Lobe-like fins 
D)  Bony jaws 
E)  A lack of gills 
A)  Two-chambered hearts 
B)  Skeletal elements surrounding the nerve cord 
C)  Lobe-like fins 
D)  Bony jaws 
E)  A lack of gills

Question 8

This animal has

Accepted Answer

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

Question 9

Lampreys are endothermic.

Accepted Answer

A) True 
 B)False

Question 10

______are mammals that lay eggs.)

Accepted Answer

The answer of ______are mammals that lay eggs.)...

Question 11

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

Question 12

To prevent dehydration, reptiles have

Accepted Answer

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

Question 13

Which were the first tetrapods to move to land?

Accepted Answer

A)  Reptiles 
B)  Amphibians 
C)  Monotremes 
D)  Ray-finned fishes 
E)  Hagfishes 
A)  Reptiles 
B)  Amphibians 
C)  Monotremes 
D)  Ray-finned fishes 
E)  Hagfishes

Question 14

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

Accepted Answer

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

Question 15

Which of the following has a ventral nerve cord?

Accepted Answer

A)  Earthworm 
B)  Frog 
C)  Shark 
D)  Coelacanth 
E)  Hummingbird 
A)  Earthworm 
B)  Frog 
C)  Shark 
D)  Coelacanth 
E)  Hummingbird

Question 16

The__________ forms from embryonic and uterine tissues and is the site of exchange between mother and embryo.

Accepted Answer

The answer of The__________ forms from embryonic and uterine tissues...

Question 17

Most __________have swim bladders.

Accepted Answer

A)  jawless fishes 
B)  ray-finned fishes 
C)  cartilaginous fishes 
D)  marine mammals 
E)  lobe-finned fishes 
A)  jawless fishes 
B)  ray-finned fishes 
C)  cartilaginous fishes 
D)  marine mammals 
E)  lobe-finned fishes

Question 18

What is the function of the vertebral column?

Accepted Answer

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

Question 19

Why are reptiles better adapted to land dwelling than amphibians are?

Accepted Answer

A)  Their lungs have a smaller surface area for gas exchange. 
B)  Their embryos develop in a uterus. 
C)  Their two-chambered heart better mixes oxygenated and deoxygenated blood. 
D)  Their moist skin is used as a respiratory structure. 
E)  Their scaly skin prevents water loss. 
A)  Their lungs have a smaller surface area for gas exchange. 
B)  Their embryos develop in a uterus. 
C)  Their two-chambered heart better mixes oxygenated and deoxygenated blood. 
D)  Their moist skin is used as a respiratory structure. 
E)  Their scaly skin prevents water loss.

Question 20

Lancelets live in

Accepted Answer

A)  sulfur springs. 
B)  the sea. 
C)  fresh water. 
D)  treetops. 
E)  deserts. 
A)  sulfur springs. 
B)  the sea. 
C)  fresh water. 
D)  treetops. 
E)  deserts.

Exam 25: Animal Diversity Ii: Vertebrates

How does the nerve cord of chordates differ from the nerve cord of animals in other taxonomic groups?

Parasitic lampreys have

The amnion creates an aquatic environment for developing embryos.

This animal is classified as a

What is the advantage of paired appendages?

The placenta in mammals is responsible for gas exchange for the embryo.

Which characteristic differentiates hagfishes from other craniates?

This animal has

Lampreys are endothermic.

______are mammals that lay eggs.)

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)

To prevent dehydration, reptiles have

Which were the first tetrapods to move to land?

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

Which of the following has a ventral nerve cord?

The__________ forms from embryonic and uterine tissues and is the site of exchange between mother and embryo.

Most __________have swim bladders.

What is the function of the vertebral column?

Why are reptiles better adapted to land dwelling than amphibians are?

Lancelets live in

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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