Question 1

What characteristics allowed reptiles to become completely terrestrial?

Accepted Answer

Reptiles evolved scaly skin that resists dehydration, internal fertilization so that the male sperm can swim through the female's body to reach the eggs, and amniotic eggs with shells that protect the egg from dehydration.

Question 2

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

Accepted Answer

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

Question 3

Birds belong to a related group of vertebrates that includes all of the

Accepted Answer

A)  reptiles. 
B)  ray- finned fishes. 
C)  mammals. 
D)  amphibians. 
E)  lobe- finned fishes. 
A)  reptiles. 
B)  ray- finned fishes. 
C)  mammals. 
D)  amphibians. 
E)  lobe- finned fishes. A

Question 4

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

Accepted Answer

The answer of Adult tunicates have lost two embryonic features:...

Question 5

Parasitic lampreys have

Accepted Answer

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

Question 6

Why do amphibians need a moist environment?

Accepted Answer

A)  Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak. 
B)  Amphibians require a moist environment for their scales to develop. 
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 won't work if they dry out. 
A)  Amphibians require a moist environment to support their body weight because their cartilaginous skeleton is weak. 
B)  Amphibians require a moist environment for their scales to develop. 
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 won't work if they dry out.

Question 7

Which vertebrate group is the most diverse?

Accepted Answer

A)  Mammalia 
B)  Actinistia 
C)  Actinopterygii 
D)  Reptilia 
E)  Chondrichthyes 
A)  Mammalia 
B)  Actinistia 
C)  Actinopterygii 
D)  Reptilia 
E)  Chondrichthyes

Question 8

The notochord persists into adulthood in all chordates.

Accepted Answer

A) True 
 B)False

Question 9

Lampreys have reduced the size of commercial fish populations in the Great Lakes because they

Accepted Answer

A)  secrete toxins that injure or kill other fishes. 
B)  are parasites on those fish species. 
C)  share many of the same predators. 
D)  are predators to many of the same prey species. 
E)  compete for food with those fish species. 
A)  secrete toxins that injure or kill other fishes. 
B)  are parasites on those fish species. 
C)  share many of the same predators. 
D)  are predators to many of the same prey species. 
E)  compete for food with those fish species.

Question 10

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.

Question 11

Craniates have skulls made of either bone or cartilage.

Accepted Answer

A) True 
 B)False

Question 12

What is the advantage of paired appendages?

Accepted Answer

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

Question 13

Hagfishes have three- chambered hearts, which improve gas exchange with the lungs.

Accepted Answer

A) True 
 B)False

Question 14

This animal is a

Accepted Answer

A)  placental mammal. 
B)  tunicate. 
C)  reptile. 
D)  monotreme. 
E)  marsupial. 
A)  placental mammal. 
B)  tunicate. 
C)  reptile. 
D)  monotreme. 
E)  marsupial.

Question 15

Why do amphibians need to live in moist habitats?

Accepted Answer

Amphibians need a moist enviro

Question 16

In all chordates, the notochord

Accepted Answer

A)  may or may not appear at all; it is not found in all chordates. 
B)  appears at least during early stages of development. 
C)  appears only in adults. 
D)  is found throughout the life cycle. 
E)  appears only during early stages of development. 
A)  may or may not appear at all; it is not found in all chordates. 
B)  appears at least during early stages of development. 
C)  appears only in adults. 
D)  is found throughout the life cycle. 
E)  appears only during early stages of development.

Question 17

Endothermic animals have four- chambered hearts.

Accepted Answer

A) True 
 B)False

Question 18

Hagfishes and lampreys differ from other fishes because they lack .

Accepted Answer

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

Question 19

The notochord

Accepted Answer

A)  develops from the pharyngeal gill slits. 
B)  is for muscle attachment. 
C)  forms the nerve cord in an adult. 
D)  becomes the brain. 
E)  becomes the digestive system. 
A)  develops from the pharyngeal gill slits. 
B)  is for muscle attachment. 
C)  forms the nerve cord in an adult. 
D)  becomes the brain. 
E)  becomes the digestive system.

Question 20

The high body temperature of birds and mammals is due to

Accepted Answer

A)  behaviors such as basking in the sun and seeking shade. 
B)  the exchange of gases and nutrients via the placenta. 
C)  the fur that insulates them. 
D)  the presence of sweat, scent, and sebaceous glands. 
E)  their high metabolic rates. 
A)  behaviors such as basking in the sun and seeking shade. 
B)  the exchange of gases and nutrients via the placenta. 
C)  the fur that insulates them. 
D)  the presence of sweat, scent, and sebaceous glands. 
E)  their high metabolic rates.

Exam 25: Animal Diversity II: Vertebrates

What characteristics allowed reptiles to become completely terrestrial?

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

Birds belong to a related group of vertebrates that includes all of the

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

Parasitic lampreys have

Why do amphibians need a moist environment?

Which vertebrate group is the most diverse?

The notochord persists into adulthood in all chordates.

Lampreys have reduced the size of commercial fish populations in the Great Lakes because they

Lancelets live in

Craniates have skulls made of either bone or cartilage.

What is the advantage of paired appendages?

Hagfishes have three- chambered hearts, which improve gas exchange with the lungs.

This animal is a

Why do amphibians need to live in moist habitats?

In all chordates, the notochord

Endothermic animals have four- chambered hearts.

Hagfishes and lampreys differ from other fishes because they lack .

The notochord

The high body temperature of birds and mammals is due to

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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