Question 1

Four of the following statements are true.Which one is not?

Accepted Answer

A)  Amniotes are the predominant vertebrates on land. 
B)  Tetrapod vertebrates have four bony limbs. 
C)  All chordate embryos have a notochord, a dorsal tubular nerve cord. 
D)  Lancelets and tunicates are the two groups of invertebrate chordates. 
E)  The backbone and the other skeletal elements are components of the vertebrate exoskeleton. 
A)  Amniotes are the predominant vertebrates on land. 
B)  Tetrapod vertebrates have four bony limbs. 
C)  All chordate embryos have a notochord, a dorsal tubular nerve cord. 
D)  Lancelets and tunicates are the two groups of invertebrate chordates. 
E)  The backbone and the other skeletal elements are components of the vertebrate exoskeleton.

Question 2

Birds and crocodiles share which of the following characteristics?

Accepted Answer

A)  Ectotherm 
B)  Body hair 
C)  Four-chambered heart 
D)  Lung design 
E)  Light-weight bones 
A)  Ectotherm 
B)  Body hair 
C)  Four-chambered heart 
D)  Lung design 
E)  Light-weight bones

Question 3

Declining amphibian populations are correlated with four of the following.Which one is the exception?

Accepted Answer

A)  Habitat loss 
B)  Introduction of non-native species 
C)  Long-term changes in climate 
D)  Evolutionary changes in amphibians 
E)  Fungal infections and parasitic diseases 
A)  Habitat loss 
B)  Introduction of non-native species 
C)  Long-term changes in climate 
D)  Evolutionary changes in amphibians 
E)  Fungal infections and parasitic diseases

Question 4

Figure 25.22B
 
-The letter "A" in the accompanying figure represents which teeth?

Accepted Answer

A)  Incisors 
B)  Molars 
C)  Canines 
D)  premolars 
E)  Grinders 
A)  Incisors 
B)  Molars 
C)  Canines 
D)  premolars 
E)  Grinders

Question 5

Choose the one most appropriate letter for each.
-snakes

Accepted Answer

A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature 
A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature

Question 6

The most diverse group of placental mammals are the ____.

Accepted Answer

A)  bats 
B)  carnivores 
C)  rodents 
D)  moles and shrews 
E)  whales and dolphins 
A)  bats 
B)  carnivores 
C)  rodents 
D)  moles and shrews 
E)  whales and dolphins

Question 7

Four of the following statements about lizards are true.Which statement is false?

Accepted Answer

A)  Lizards are a very small component of the present-day reptiles. 
B)  Lizards and snakes are more closely related to each other than to turtles. 
C)  Some lizards are not predators. 
D)  Lizards have overlapping scales on their bodies. 
E)  All lizards have three-chambered hearts. 
A)  Lizards are a very small component of the present-day reptiles. 
B)  Lizards and snakes are more closely related to each other than to turtles. 
C)  Some lizards are not predators. 
D)  Lizards have overlapping scales on their bodies. 
E)  All lizards have three-chambered hearts.

Question 8

Select the best choice for the following statements in reference to the classes listed below.
-Members of this class have cartilaginous skeletons but also possess jaws.

Accepted Answer

A) Cartilaginous fishes 
B) Bony fishes 
C) Amphibians 
D) Reptilians 
A) Cartilaginous fishes 
B) Bony fishes 
C) Amphibians 
D) Reptilians

Question 9

Birds arose during the Jurassic and are descended from which animals?

Accepted Answer

A)  Aquatic larva 
B)  Amphibians 
C)  Feathered therapod dinosaurs 
D)  Endotherms 
E)  Reptiles 
A)  Aquatic larva 
B)  Amphibians 
C)  Feathered therapod dinosaurs 
D)  Endotherms 
E)  Reptiles

Question 10

A(n)__________ is an organ that allows exchange of nutrients between an embryo and its mother.

Accepted Answer

The answer of A(n)__________ is an organ that allows exchange...

Question 11

Choose the one most appropriate letter for each.
-opossum

Accepted Answer

A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature 
A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature

Question 12

Figure 25.2
 
-In the accompanying figure,which structure is a rod of flexible connective supporting the body?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 13

Reptiles are __________ (cold-blooded animals)with scales.

Accepted Answer

The answer of Reptiles are __________ (cold-blooded animals)with scales....

Question 14

Amniotes differ from earlier vertebrates by ____.

Accepted Answer

A)  their large size 
B)  their three-chambered heart 
C)  producing eggs in which the young can develop away from water 
D)  the possession of a slimy skin 
E)  having external scales 
A)  their large size 
B)  their three-chambered heart 
C)  producing eggs in which the young can develop away from water 
D)  the possession of a slimy skin 
E)  having external scales

Question 15

In which type of mammal do a mother and her embryo exchange materials by means of an organ developed from embryonic membranes?

Accepted Answer

A)  Monotremes 
B)  Egg-laying 
C)  Pouched 
D)  Marsupial 
E)  Placental 
A)  Monotremes 
B)  Egg-laying 
C)  Pouched 
D)  Marsupial 
E)  Placental

Question 16

Choose the one most appropriate letter for each.
-caecilians

Accepted Answer

A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature 
A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature

Question 17

Choose the one most appropriate letter for each.
-lancelets

Accepted Answer

A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature 
A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature

Question 18

Choose the one most appropriate letter for each.
-bony fishes

Accepted Answer

A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature 
A) cartilaginous skeleton; jaws 
B) reptile with four-chambered heart 
C) separate openings for the urinary, reproductive, and excretory systems 
D) legless amphibian 
E) invertebrate chordate; no metamorphosis
F)endotherm with feathers
G)limbless reptile
H)most primitive fishes with jaws; extinct
I)modern-day parasitic jawless vertebrate
J)North America's only native marsupial
K)adults are barrel-shaped and secretes a covering of polysaccharides
L)egg-laying mammal
M)swim bladder for buoyancy
N)larvae typically have gills and develop lungs as they mature

Question 19

In lineages that moved onto land,gills were replaced by lungs; kidneys became better at conserving __________,and the circulatory system became more efficient.

Accepted Answer

The answer of In lineages that moved onto land,gills were...

Question 20

One hypothesis proposes that an asteroid impact at the end of the ___________ led to the extinction of dinosaurs.

Accepted Answer

The answer of One hypothesis proposes that an asteroid impact...

Exam 25: Animal Evolution: The Chordates

Four of the following statements are true.Which one is not?

Birds and crocodiles share which of the following characteristics?

Declining amphibian populations are correlated with four of the following.Which one is the exception?

Figure 25.22B -The letter "A" in the accompanying figure represents which teeth?

Choose the one most appropriate letter for each. -snakes

The most diverse group of placental mammals are the ____.

Four of the following statements about lizards are true.Which statement is false?

Select the best choice for the following statements in reference to the classes listed below. -Members of this class have cartilaginous skeletons but also possess jaws.

Birds arose during the Jurassic and are descended from which animals?

A(n)__________ is an organ that allows exchange of nutrients between an embryo and its mother.

Choose the one most appropriate letter for each. -opossum

Figure 25.2 -In the accompanying figure,which structure is a rod of flexible connective supporting the body?

Reptiles are __________ (cold-blooded animals)with scales.

Amniotes differ from earlier vertebrates by ____.

In which type of mammal do a mother and her embryo exchange materials by means of an organ developed from embryonic membranes?

Choose the one most appropriate letter for each. -caecilians

Choose the one most appropriate letter for each. -lancelets

Choose the one most appropriate letter for each. -bony fishes

In lineages that moved onto land,gills were replaced by lungs; kidneys became better at conserving __________,and the circulatory system became more efficient.

One hypothesis proposes that an asteroid impact at the end of the ___________ led to the extinction of dinosaurs.

Invitation to Biology

Life's Chemical Bases

Molecules of Life

Cell Structure

Ground Rules of Metabolism

Where it Starts—Photosynthesis

How Cells Release Chemical Energy

DNA Structure and Function

From DNA to Protein

Control of Gene Expression

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information about Species

Life's Origin and Early Evolution

Viruses, Bacteria, and Archaea

Protists: The Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution: The Invertebrates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive System

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters