Question 1

The are craniates that lack a vertebral column.

Accepted Answer

The answer of The are craniates that lack a vertebral...

Question 2

Most have swim bladders.

Accepted Answer

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

Question 3

Although they are mammals, monotremes lack

Accepted Answer

A)  nipples. 
B)  ovaries in females. 
C)  hair. 
D)  mammary glands. 
E)  a four- chambered heart. 
A)  nipples. 
B)  ovaries in females. 
C)  hair. 
D)  mammary glands. 
E)  a four- chambered heart.

Question 4

Why can't amphibians be entirely terrestrial?

Accepted Answer

A)  Their digestion is adapted for consuming aquatic prey. 
B)  Their limbs are not adapted to support their bodies on land. 
C)  They have a three- chambered heart that is not efficient enough for terrestrial life. 
D)  Their reproduction requires water to allow fertilization and keep eggs moist. 
E)  They do not have lungs but instead have gills that require water for gas exchange. 
A)  Their digestion is adapted for consuming aquatic prey. 
B)  Their limbs are not adapted to support their bodies on land. 
C)  They have a three- chambered heart that is not efficient enough for terrestrial life. 
D)  Their reproduction requires water to allow fertilization and keep eggs moist. 
E)  They do not have lungs but instead have gills that require water for gas exchange.

Question 5

Cartilaginous fishes have internal fertilization.

Accepted Answer

A) True 
 B)False

Question 6

The shelled egg of reptiles prevents the egg from dehydrating.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

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

Question 8

This animal is classified as a

Accepted Answer

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

Question 9

A swamp contains lungfishes, lampreys, and ray- finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

Accepted Answer

Lungfishes have both gills for breathing

Question 10

In vertebrates, the analogous structure to the notochord is

Accepted Answer

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

Question 11

Even though humans don't have tails or gills, they are still chordates; why is this so?

Accepted Answer

During development, human embryos have b

Question 12

Which characteristic differentiates hagfishes from other craniates?

Accepted Answer

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

Question 13

You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two- chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

Accepted Answer

A)  Amphibia. 
B)  Actinopterygii. 
C)  Chondrichthyes. 
D)  Reptilia. 
E)  Actinistia. 
A)  Amphibia. 
B)  Actinopterygii. 
C)  Chondrichthyes. 
D)  Reptilia. 
E)  Actinistia.

Question 14

Hagfishes lack jaws.

Accepted Answer

A) True 
 B)False

Question 15

Lungfishes are classified as

Accepted Answer

A)  jawless fishes. 
B)  lobe- finned fishes. 
C)  ray- finned fishes. 
D)  amphibians. 
E)  cartilaginous fishes. 
A)  jawless fishes. 
B)  lobe- finned fishes. 
C)  ray- finned fishes. 
D)  amphibians. 
E)  cartilaginous fishes.

Question 16

To prevent dehydration, reptiles have

Accepted Answer

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

Question 17

A lamprey is a(n)

Accepted Answer

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

Question 18

What characteristics must an animal possess in order to be considered a chordate?

Accepted Answer

At some point during their liv

Question 19

Chondrichthyes includes

Accepted Answer

A)  all fishes. 
B)  lampreys. 
C)  sharks. 
D)  frogs. 
E)  whales. 
A)  all fishes. 
B)  lampreys. 
C)  sharks. 
D)  frogs. 
E)  whales.

Question 20

At some stage of the life cycle, all chordates have

Accepted Answer

A)  a pre- anal tail. 
B)  pharyngeal gill slits. 
C)  a backbone. 
D)  an external skeleton. 
E)  a ventral nerve cord. 
A)  a pre- anal tail. 
B)  pharyngeal gill slits. 
C)  a backbone. 
D)  an external skeleton. 
E)  a ventral nerve cord.

Exam 25: Animal Diversity II: Vertebrates

The are craniates that lack a vertebral column.

Most have swim bladders.

Although they are mammals, monotremes lack

Why can't amphibians be entirely terrestrial?

Cartilaginous fishes have internal fertilization.

The shelled egg of reptiles prevents the egg from dehydrating.

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

This animal is classified as a

A swamp contains lungfishes, lampreys, and ray- finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

In vertebrates, the analogous structure to the notochord is

Even though humans don't have tails or gills, they are still chordates; why is this so?

Which characteristic differentiates hagfishes from other craniates?

You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two- chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

Hagfishes lack jaws.

Lungfishes are classified as

To prevent dehydration, reptiles have

A lamprey is a(n)

What characteristics must an animal possess in order to be considered a chordate?

Chondrichthyes includes

At some stage of the life cycle, all chordates have

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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