Question 1

Larval sea squirts

Accepted Answer

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

Question 2

Animals that have a ventral nerve cord during embryonic development are classified as chordates.

Accepted Answer

A) True 
 B)False  False

Question 3

Craniates have skulls made of either bone or cartilage.

Accepted Answer

A) True 
 B)False  True

Question 4

Lampreys differ from other vertebrates because they lack

Accepted Answer

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

Question 5

Chondrichthyes includes

Accepted Answer

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

Question 6

Birds are feathered reptiles.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following features is absent in lancelets?

Accepted Answer

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

Question 8

Cartilaginous fishes differ from lampreys because they

Accepted Answer

A)  have a three-chambered heart. 
B)  lack a skeleton. 
C)  are ectotherms. 
D)  have jaws. 
E)  lack a skull. 
A)  have a three-chambered heart. 
B)  lack a skeleton. 
C)  are ectotherms. 
D)  have jaws. 
E)  lack a skull.

Question 9

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

Accepted Answer

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

Question 10

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

Accepted Answer

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

Question 11

In all chordates, the notochord

Accepted Answer

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

Question 12

Why donʹt reptilian embryos dry out in a desert habitat?

Accepted Answer

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

Question 13

Which of the following best describes which chordate characteristics lancelets retain as adults?

Accepted Answer

A)  Notochord, dorsal nerve cord, post-anal tail, and pharyngeal gill slits 
B)  Dorsal nerve cord, jaws, limbs, and lobed fins 
C)  Pharyngeal gill slits, limbs, and lobed fins 
D)  Post-anal tail, hair, jaws, and amniotic egg 
E)  Notochord, lobed fins, and jaws 
A)  Notochord, dorsal nerve cord, post-anal tail, and pharyngeal gill slits 
B)  Dorsal nerve cord, jaws, limbs, and lobed fins 
C)  Pharyngeal gill slits, limbs, and lobed fins 
D)  Post-anal tail, hair, jaws, and amniotic egg 
E)  Notochord, lobed fins, and jaws

Question 14

The __________is a stiff, flexible rod that, at some point during the development of all chordates, extends along the length of the body, sandwiched between the digestive tract and the nerve cord.

Accepted Answer

The answer of The __________is a stiff, flexible rod that,...

Question 15

Cartilaginous fishes have internal fertilization.

Accepted Answer

A) True 
 B)False

Question 16

Salamanders are the only vertebrate capable of regenerating lost limbs.

Accepted Answer

A) True 
 B)False

Question 17

How do monotremes differ from other mammals?

Accepted Answer

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

Question 18

In sharks and rays, the skeleton is made of__________ .

Accepted Answer

The answer of In sharks and rays, the skeleton is...

Question 19

What characteristic of hagfishes differentiates them from lancelets and tunicates?

Accepted Answer

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

Question 20

The characteristic that separates cartilaginous fishes from lampreys is

Accepted Answer

A)  lungs supplemented by air sacs. 
B)  four-chambered hearts. 
C)  jaws. 
D)  bony skeletons. 
E)  sucker-like mouths lined with teeth. 
A)  lungs supplemented by air sacs. 
B)  four-chambered hearts. 
C)  jaws. 
D)  bony skeletons. 
E)  sucker-like mouths lined with teeth.

Exam 25: Animal Diversity Ii: Vertebrates

Larval sea squirts

Animals that have a ventral nerve cord during embryonic development are classified as chordates.

Craniates have skulls made of either bone or cartilage.

Lampreys differ from other vertebrates because they lack

Chondrichthyes includes

Birds are feathered reptiles.

Which of the following features is absent in lancelets?

Cartilaginous fishes differ from lampreys because they

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

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

In all chordates, the notochord

Why donʹt reptilian embryos dry out in a desert habitat?

Which of the following best describes which chordate characteristics lancelets retain as adults?

The __________is a stiff, flexible rod that, at some point during the development of all chordates, extends along the length of the body, sandwiched between the digestive tract and the nerve cord.

Cartilaginous fishes have internal fertilization.

Salamanders are the only vertebrate capable of regenerating lost limbs.

How do monotremes differ from other mammals?

In sharks and rays, the skeleton is made of__________ .

What characteristic of hagfishes differentiates them from lancelets and tunicates?

The characteristic that separates cartilaginous fishes from lampreys is

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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