Question 1

Choose the one most appropriate letter for each.
-snakes

Accepted Answer

A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form 
A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form

Question 2

How do lampreys differ from modern jawed fishes?

Accepted Answer

Lampreys are very different from modern

Question 3

The first tetrapods evolved ____.

Accepted Answer

A)  ​on land 
B)  ​after the amphibians 
C)  ​in water 
D)  ​after the first amniotes 
E)  ​from the ray-finned fishes 
A)  ​on land 
B)  ​after the amphibians 
C)  ​in water 
D)  ​after the first amniotes 
E)  ​from the ray-finned fishes

Question 4

Choose the one most appropriate letter for each.
-placoderms

Accepted Answer

A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form 
A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form

Question 5

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...

Question 6

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

Accepted Answer

A)  ​About 300 species of turtles currently exist. 
B)  ​Turtles do not have teeth. 
C)  ​Turtle shells are enlarged in marine forms. 
D)  ​Turtles must return to land to lay eggs. 
E)  ​Most sea turtle species are highly endangered. 
A)  ​About 300 species of turtles currently exist. 
B)  ​Turtles do not have teeth. 
C)  ​Turtle shells are enlarged in marine forms. 
D)  ​Turtles must return to land to lay eggs. 
E)  ​Most sea turtle species are highly endangered.

Question 7

__________, or four-legged walkers, evolved from lobe-finned bony fishes.

Accepted Answer

The answer of __________, or four-legged walkers, evolved from lobe-finned...

Question 8

From what feature are jaws thought to have evolved?

Accepted Answer

A)  ​pharynx 
B)  ​vertebrae 
C)  ​legs 
D)  ​arms 
E)  ​gill arches 
A)  ​pharynx 
B)  ​vertebrae 
C)  ​legs 
D)  ​arms 
E)  ​gill arches

Question 9

Choose the one most appropriate letter for each.
-humans

Accepted Answer

A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form 
A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form

Question 10

__________ are animals with a backbone.

Accepted Answer

The answer of __________ are animals with a backbone....

Question 11

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 gave rise to the snakes. 
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 gave rise to the snakes. 
C)  ​Some lizards are not predators. 
D)  ​Lizards have overlapping scales on their bodies. 
E)  ​All lizards have three-chambered hearts.

Question 12

Four features help define the __________: a notochord, a dorsal hollow nerve cord, a pharynx with gill slits, and a tail extending past the anus.

Accepted Answer

The answer of Four features help define the __________: a...

Question 13

Use the figure above to answer questions
-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 14

Use the figure above to answer questions
-The letter "C" 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 15

__________ are jawless fishes with a backbone.

Accepted Answer

The answer of __________ are jawless fishes with a backbone....

Question 16

Four of the following have been an important influence on the evolution of mammals. Which one is the exception?​

Accepted Answer

A)  ​continental movement 
B)  ​teeth 
C)  ​competition between species 
D)  ​decline of the dinosaurs 
E)  ​geographic isolation 
A)  ​continental movement 
B)  ​teeth 
C)  ​competition between species 
D)  ​decline of the dinosaurs 
E)  ​geographic isolation

Question 17

Four of the following are features found exclusively among all vertebrates. Which one is the exception?​

Accepted Answer

A)  ​notochord 
B)  ​pharyngeal gill slits 
C)  ​four legs 
D)  ​post-anal tail 
E)  ​dorsal nerve cord 
A)  ​notochord 
B)  ​pharyngeal gill slits 
C)  ​four legs 
D)  ​post-anal tail 
E)  ​dorsal nerve cord

Question 18

Choose the one most appropriate letter for each.
-platypus

Accepted Answer

A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form 
A) ​cartilaginous skeleton; jaws 
B) ​reptile with four-chambered heart 
C) ​placental mammal 
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)​marsupial
K)​adult is called "sea squirt"
L)​egg-laying mammal
M)​swim bladder for buoyancy
N)​may be sexually mature in larval form

Question 19

Which phylum is most closely related developmentally to the first vertebrates?​

Accepted Answer

A)  ​Echinodermata 
B)  ​Arthropoda 
C)  ​Mollusca 
D)  ​Annelida 
E)  ​Chelicerata 
A)  ​Echinodermata 
B)  ​Arthropoda 
C)  ​Mollusca 
D)  ​Annelida 
E)  ​Chelicerata

Question 20

Select the best choice for the following statements in reference to the classes listed below.​
-Some species of this class live in water but are not dependent upon an aquatic environment.

Accepted Answer

A) ​cartilaginous fishes 
B) ​bony fishes 
C) ​amphibians 
D) ​reptilians 
A) ​cartilaginous fishes 
B) ​bony fishes 
C) ​amphibians 
D) ​reptilians

Exam 25: Animal Evolution - the Chordates

Choose the one most appropriate letter for each. -snakes

How do lampreys differ from modern jawed fishes?

The first tetrapods evolved ____.

Choose the one most appropriate letter for each. -placoderms

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

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

__________, or four-legged walkers, evolved from lobe-finned bony fishes.

From what feature are jaws thought to have evolved?

Choose the one most appropriate letter for each. -humans

__________ are animals with a backbone.

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

Four features help define the __________: a notochord, a dorsal hollow nerve cord, a pharynx with gill slits, and a tail extending past the anus.

Use the figure above to answer questions -The letter "A" in the accompanying figure represents which teeth?​

Use the figure above to answer questions -The letter "C" in the accompanying figure represents which teeth?​

__________ are jawless fishes with a backbone.

Four of the following have been an important influence on the evolution of mammals. Which one is the exception?​

Four of the following are features found exclusively among all vertebrates. Which one is the exception?​

Choose the one most appropriate letter for each. -platypus

Which phylum is most closely related developmentally to the first vertebrates?​

Select the best choice for the following statements in reference to the classes listed below.​ -Some species of this class live in water but are not dependent upon an aquatic environment.

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

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

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

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

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

Use the figure above to answer questions -The letter "A" in the accompanying figure represents which teeth?

Use the figure above to answer questions -The letter "C" in the accompanying figure represents which teeth?

Four of the following have been an important influence on the evolution of mammals. Which one is the exception?

Four of the following are features found exclusively among all vertebrates. Which one is the exception?

Which phylum is most closely related developmentally to the first vertebrates?

Select the best choice for the following statements in reference to the classes listed below. -Some species of this class live in water but are not dependent upon an aquatic environment.