Question 1

Figure 25.20
 
-The letter "B" in the accompanying figure represents the ____.

Accepted Answer

A)  humerus 
B)  pectoral girdle 
C)  skull 
D)  sternum 
E)  pelvic girdle 
A)  humerus 
B)  pectoral girdle 
C)  skull 
D)  sternum 
E)  pelvic girdle A

Question 2

Which of the following statements is false regarding mammals?

Accepted Answer

A)  Mammals' lower jaw consists of a single bone. 
B)  Mammals have distinctive skeletal and dental traits. 
C)  The mammalian heart is three-chambered. 
D)  Mammals are animals in which females nourish their offspring with milk that they secrete from mammary glands. 
E)  Mammals also include the only animals that sweat. 
A)  Mammals' lower jaw consists of a single bone. 
B)  Mammals have distinctive skeletal and dental traits. 
C)  The mammalian heart is three-chambered. 
D)  Mammals are animals in which females nourish their offspring with milk that they secrete from mammary glands. 
E)  Mammals also include the only animals that sweat. C

Question 3

Four of the following are features found exclusively among all vertebrate embryos.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 C

Question 4

Figure 25.20
 
-The letter "E" in the accompanying figure represents the ____.

Accepted Answer

A)  humerus 
B)  pectoral girdle 
C)  skull 
D)  sternum 
E)  pelvic girdle 
A)  humerus 
B)  pectoral girdle 
C)  skull 
D)  sternum 
E)  pelvic girdle

Question 5

__________,the first group of vertebrates able to complete their life cycle on dry land,have water conserving skin and kidneys,and amniote eggs.

Accepted Answer

The answer of __________,the first group of vertebrates able to...

Question 6

Select the best choice for the following statements in reference to the classes listed below.
-Members of one unusual group may have been ancestors of tetrapods.

Accepted Answer

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

Question 7

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 8

Choose the one most appropriate letter for each.
-platypus

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 9

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

Accepted Answer

A)  They live in or near water. 
B)  They are predators with sharp teeth. 
C)  They have a two-chambered heart. 
D)  They have powerful jaws. 
E)  They are the closest living relatives to birds. 
A)  They live in or near water. 
B)  They are predators with sharp teeth. 
C)  They have a two-chambered heart. 
D)  They have powerful jaws. 
E)  They are the closest living relatives to birds.

Question 10

What type of beak does a seed-eating bird have to break open their food?

Accepted Answer

A)  Hooked beak 
B)  Stout beak 
C)  Elongated beak 
D)  Probing beak 
E)  Flat beak 
A)  Hooked beak 
B)  Stout beak 
C)  Elongated beak 
D)  Probing beak 
E)  Flat beak

Question 11

Egg-laying mammals ____.

Accepted Answer

A)  hatch fully developed young from their eggs 
B)  are monotremes 
C)  are hairless 
D)  are confined to South America 
E)  bear their young into permanent pouches 
A)  hatch fully developed young from their eggs 
B)  are monotremes 
C)  are hairless 
D)  are confined to South America 
E)  bear their young into permanent pouches

Question 12

Select the best choice for the following statements in reference to the classes listed below.
-Members of this class are fully terrestrial except for reproduction.

Accepted Answer

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

Question 13

Invertebrate chordates include __________ and __________,both marine filter-feeders.

Accepted Answer

tunicates;

Question 14

Which of the following is most closely related to the lobe-finned fishes?

Accepted Answer

A)  Ray-finned fishes 
B)  Tunicates 
C)  Mammals 
D)  Cartilaginous fishes 
E)  Lancelets 
A)  Ray-finned fishes 
B)  Tunicates 
C)  Mammals 
D)  Cartilaginous fishes 
E)  Lancelets

Question 15

Sharks differ from most other fish in that they lack ____.

Accepted Answer

A)  gill slits 
B)  scales 
C)  bone 
D)  paired appendages 
E)  teeth 
A)  gill slits 
B)  scales 
C)  bone 
D)  paired appendages 
E)  teeth

Question 16

Choose the one most appropriate letter for each.
-lampreys

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

Which group of mammals exhibits the widest distribution and greatest diversity?

Accepted Answer

A)  Marsupials 
B)  Cetaceans 
C)  Placentals 
D)  Primates 
E)  Monotremes 
A)  Marsupials 
B)  Cetaceans 
C)  Placentals 
D)  Primates 
E)  Monotremes

Question 18

__________ are jawless fishes with a backbone.

Accepted Answer

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

Question 19

Choose the one most appropriate letter for each.
-placoderms

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 20

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

Accepted Answer

A)  About 300 species of turtles currently exist. 
B)  Modern turtles do not have teeth. 
C)  Turtle feed only on plants. 
D)  Turtle shells are attached to their skeleton. 
E)  Turtle shells covered with keratin. 
A)  About 300 species of turtles currently exist. 
B)  Modern turtles do not have teeth. 
C)  Turtle feed only on plants. 
D)  Turtle shells are attached to their skeleton. 
E)  Turtle shells covered with keratin.

Exam 25: Animal Evolution: The Chordates

Figure 25.20 -The letter "B" in the accompanying figure represents the ____.

Which of the following statements is false regarding mammals?

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

Figure 25.20 -The letter "E" in the accompanying figure represents the ____.

__________,the first group of vertebrates able to complete their life cycle on dry land,have water conserving skin and kidneys,and amniote eggs.

Select the best choice for the following statements in reference to the classes listed below. -Members of one unusual group may have been ancestors of tetrapods.

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

Choose the one most appropriate letter for each. -platypus

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

What type of beak does a seed-eating bird have to break open their food?

Egg-laying mammals ____.

Select the best choice for the following statements in reference to the classes listed below. -Members of this class are fully terrestrial except for reproduction.

Invertebrate chordates include __________ and __________,both marine filter-feeders.

Which of the following is most closely related to the lobe-finned fishes?

Sharks differ from most other fish in that they lack ____.

Choose the one most appropriate letter for each. -lampreys

Which group of mammals exhibits the widest distribution and greatest diversity?

__________ are jawless fishes with a backbone.

Choose the one most appropriate letter for each. -placoderms

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

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

Invertebrate chordates include and ,both marine filter-feeders.