Question 1

Why are lampreys classified as vertebrates?

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

Which of the following features is absent in lancelets?

Accepted Answer

A)  Notochord 
B)  Nerve cord 
C)  Backbone 
D)  Tail 
E)  Gill slits 
A)  Notochord 
B)  Nerve cord 
C)  Backbone 
D)  Tail 
E)  Gill slits

Question 4

are the mammals with the greatest number of species.

Accepted Answer

A)  Rodents 
B)  Whales 
C)  Bats 
D)  Marsupials 
E)  Primates 
A)  Rodents 
B)  Whales 
C)  Bats 
D)  Marsupials 
E)  Primates

Question 5

The are aquatic reptiles that lack a shell.

Accepted Answer

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

Question 6

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 7

What characteristic of hagfishes differentiates them from lancelets and tunicates?

Accepted Answer

A)  Bony jaws 
B)  Post- anal tail 
C)  Gills 
D)  Skull surrounding the brain 
E)  Dorsal nerve cord 
A)  Bony jaws 
B)  Post- anal tail 
C)  Gills 
D)  Skull surrounding the brain 
E)  Dorsal nerve cord

Question 8

How do monotremes differ from other mammals?

Accepted Answer

A)  They have a four- chambered heart. 
B)  They have claws. 
C)  They have hair. 
D)  They lay eggs. 
E)  They do not produce milk. 
A)  They have a four- chambered heart. 
B)  They have claws. 
C)  They have hair. 
D)  They lay eggs. 
E)  They do not produce milk.

Question 9

The is the internal membrane of the shelled eggs of reptiles.

Accepted Answer

The answer of The is the internal membrane of the...

Question 10

Fins composed of a web of skin covering thin, bony spines are characteristic of

Accepted Answer

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

Question 11

Why have reptiles successfully adapted to land?

Accepted Answer

A)  They nurse their young. 
B)  They produce eggs that resist dehydration. 
C)  They are endothermic. 
D)  They lack gills at any point during their development. 
E)  They have a two- chambered heart to maximize oxygen utilization. 
A)  They nurse their young. 
B)  They produce eggs that resist dehydration. 
C)  They are endothermic. 
D)  They lack gills at any point during their development. 
E)  They have a two- chambered heart to maximize oxygen utilization.

Question 12

Why don't reptilian embryos dry out in a desert habitat?

Accepted Answer

A)  Reptiles produce shelled amniotic eggs. 
B)  Reptile eggs are protected by a jelly- like coating. 
C)  The placenta facilitates gas exchange between the mother and the embryo. 
D)  Reptiles are endothermic. 
E)  Reptiles produce lots of defensive slime. 
A)  Reptiles produce shelled amniotic eggs. 
B)  Reptile eggs are protected by a jelly- like coating. 
C)  The placenta facilitates gas exchange between the mother and the embryo. 
D)  Reptiles are endothermic. 
E)  Reptiles produce lots of defensive slime.

Question 13

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

Question 14

The earliest vertebrates lacked

Accepted Answer

A)  a notochord. 
B)  brains. 
C)  jaws. 
D)  gills. 
E)  skeletons. 
A)  a notochord. 
B)  brains. 
C)  jaws. 
D)  gills. 
E)  skeletons.

Question 15

Lampreys differ from other vertebrates because they lack

Accepted Answer

A)  metabolism. 
B)  gills. 
C)  jaws. 
D)  hearts. 
E)  skulls. 
A)  metabolism. 
B)  gills. 
C)  jaws. 
D)  hearts. 
E)  skulls.

Question 16

All female mammals produce milk to feed their young.

Accepted Answer

A) True 
 B)False

Question 17

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

Accepted Answer

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

Question 18

Which of the following is present in all chordates?

Accepted Answer

A)  A notochord 
B)  An external skeleton 
C)  Chloroplasts 
D)  Four limbs 
E)  A vertebral column 
A)  A notochord 
B)  An external skeleton 
C)  Chloroplasts 
D)  Four limbs 
E)  A vertebral column

Question 19

Lamprey populations introduced into the Great Lakes have grown dramatically. Why?

Accepted Answer

A)  Fishers have intentionally introduced them with the hope of farming them for "eel skin." 
B)  Lamprey stocking programs have been highly effective. 
C)  A fish species that they naturally prey upon has recently been introduced into the Great Lakes. 
D)  Competitive species have driven them from the ocean. 
E)  They have no natural predators in these waters. 
A)  Fishers have intentionally introduced them with the hope of farming them for "eel skin." 
B)  Lamprey stocking programs have been highly effective. 
C)  A fish species that they naturally prey upon has recently been introduced into the Great Lakes. 
D)  Competitive species have driven them from the ocean. 
E)  They have no natural predators in these waters.

Question 20

An animal without a vertebral column has an unprotected notochord.

Accepted Answer

A) True 
 B)False

Exam 25: Animal Diversity II: Vertebrates

Why are lampreys classified as vertebrates?

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

Which of the following features is absent in lancelets?

are the mammals with the greatest number of species.

The are aquatic reptiles that lack a shell.

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

What characteristic of hagfishes differentiates them from lancelets and tunicates?

How do monotremes differ from other mammals?

The is the internal membrane of the shelled eggs of reptiles.

Fins composed of a web of skin covering thin, bony spines are characteristic of

Why have reptiles successfully adapted to land?

Why don't reptilian embryos dry out in a desert habitat?

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

The earliest vertebrates lacked

Lampreys differ from other vertebrates because they lack

All female mammals produce milk to feed their young.

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

Which of the following is present in all chordates?

Lamprey populations introduced into the Great Lakes have grown dramatically. Why?

An animal without a vertebral column has an unprotected notochord.

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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