Question 1

As a naturalist,you are responsible for training volunteers in the identification of the types of amphibians.The volunteers will use this information to correctly describe the animals to school groups that will visit your nature center.The training documentation for the volunteers lists important characteristics of the different groups of amphibians,but you notice that one of the items on the list is incorrect.Indicate which description is not correct.

Accepted Answer

A)  Frogs,toads,and most salamanders have four legs whereas caecilians are legless.
B)  Some adult salamanders retain larval characteristics such as external gills.
C)  Most caecilians can be found burrowing in the soil of tropical forests.
D)  While some frogs may advertise their distasteful nature by bright coloration,salamanders always have cryptic coloration.

Question 2

If ancestral humans did not develop an opposable thumb,grasping fingers,and binocular vision,how might their history have differed?

Accepted Answer

A)  They would have been less able to occupy the trees.
B)  They would have been unable to develop spoken language.
C)  They would have been less able to walk upright.
D)  They would have been unable to survive without changing their diet.

Question 3

How would an animal compensate for a nonfunctional lateral line?

Accepted Answer

A)  Sex recognition by male fish would have to be accomplished by the olfactory structures.
B)  Pressure waves in the water would have to be detected by other sensory structures.
C)  Propulsion and directional control would have to be facilitated by other fins.
D)  Gas exchange through the gill slits would have to be increaseD.
E)  Skeletal support would need to be reinforced internally.

Question 4

The swim bladder is an organ in primitive fish from which the lungs of terrestrial vertebrates developed.

Accepted Answer

A) True 
 B)False

Question 5

A distinguishing feature of the Squamata is their

Accepted Answer

A)  hard shell.
B)  kinetic skull.
C)  external fertilization.
D)  shell-less eggs.

Question 6

Marsupials are distinguished by

Accepted Answer

A)  a marsupium.
B)  mammary glands.
C)  opposable thumbs.
D)  nails.

Question 7

Match between columns
                        Premises: Gas exchange
Protection of the embryo
Compartmentalizes wastes
Contains nutrients

Accepted Answer

The Answer of Chorion and Amnion and Allantois and Yolk is...

Question 8

A frog loses its ability to undergo buccal pumping.What must happen to compensate for this loss?

Accepted Answer

A)  The pumping of blood from the atria to the ventricle must increase.
B)  The exchange of gases through the skin must increase.
C)  The pumping of blood from the ventricle to the body must increase.
D)  The diffusion of wastes through the kidneys must increase.
E)  The pumping of blood from the ventricle to the atria must increasE.

Question 9

Eutherian mammals are uniquely defined by

Accepted Answer

A)  having a placentA.
B)  longer gestation periods because of more highly developed placentas.
C)  having fur.
D)  the young developing in a pouch.
E)  laying eggs. B

Question 10

A bird in your care has an infection in its air sacs.What do you predict would be the effect of this infection?

Accepted Answer

A)  The bird would be unable to fly as a result of aerodynamic changes in the infected air sacs.
B)  The bird would be much more vulnerable to toxic gases as the air sacs could no longer be protective.
C)  Since the air sacs are vestigial,there would be no effect.
D)  Metabolism and overall activity levels would decline as a result of lower oxygen flow.

Question 11

Sharks have cartilaginous skeletons because bone-forming ability had not yet evolved in vertebrates when they originated.

Accepted Answer

A) True 
 B)False  False

Question 12

Which is an incorrect match of taxonomic category and common name?

Accepted Answer

A)  Dipnoi/lungfish
B)  Actinopterygii/ray-finned fish
C)  Actinistian/coelacanth
D)  Sarcopterygii/sharks and rays

Question 13

The human lineage began to diverge from those of other primates about

Accepted Answer

A)  153 million years ago.
B)  210 million years ago.
C)  6 million years ago.
D)  18 million years ago.
E)  64 million years ago.

Question 14

You are charged with differentiating a snake and a lizard.Which of the following statements allows you to make this distinction without any doubt?

Accepted Answer

A)  All snakes lack scales and all lizards have scales.
B)  All snakes produce amniotic eggs while all lizards do not.
C)  Some snakes are venomous but lizards usually are not venomous.
D)  All snakes lack a kinetic skull,but all lizards have a kinetic skull.

Question 15

Which fish were thought to be extinct,but were actually found in living populations?

Accepted Answer

A)  Ostracoderms
B)  Acanthodii
C)  Placodermi
D)  Acanthostega
E)  Coelacanth

Question 16

Reptiles are better adapted to life on land than are amphibians.Which external characteristic would a reptile have to lose to make it roughly externally equivalent to an amphibian in terms of ability to tolerate dry land?

Accepted Answer

A)  scales
B)  vertebral column
C)  eyelids
D)  limbs

Question 17

Hagfish are classified as vertebrates,but they do not have a vertebral column.

Accepted Answer

A) True 
 B)False

Question 18

Metamorphosis is

Accepted Answer

A)  changing of one body form to another within a species,such as the change from an aquatic tadpole to a terrestrial frog.
B)  an intermediate condition,such as length of legs in mice between longer legs of some mice and shorter legs in others,a condition caused by Hox genes.
C)  the developmental changing of a scale to a feather.
D)  the evolutionary transition from fishes to amphibians.

Question 19

In lampreys,the notochord is surrounded by a cartilaginous rod.

Accepted Answer

A) True 
 B)False

Question 20

What are the closest ancestors of humans (genus Homo) ?

Accepted Answer

A)  chimpanzees
B)  australopithecines
C)  prosimians
D)  gibbons

Exam 26: Animal Diversity: Vertebrates

Correct Answer
verified

If ancestral humans did not develop an opposable thumb,grasping fingers,and binocular vision,how might their history have differed?

Correct Answer
verified

How would an animal compensate for a nonfunctional lateral line?

Correct Answer
verified

The swim bladder is an organ in primitive fish from which the lungs of terrestrial vertebrates developed.

Correct Answer
verified

A distinguishing feature of the Squamata is their

Correct Answer
verified

Marsupials are distinguished by

Correct Answer
verified

Match the description with the correct structure of the amniotic egg

A frog loses its ability to undergo buccal pumping.What must happen to compensate for this loss?

Correct Answer
verified

Eutherian mammals are uniquely defined by

Correct Answer
verified
B

A bird in your care has an infection in its air sacs.What do you predict would be the effect of this infection?

Correct Answer
verified

Sharks have cartilaginous skeletons because bone-forming ability had not yet evolved in vertebrates when they originated.

Correct Answer
verified
False

Which is an incorrect match of taxonomic category and common name?

Correct Answer
verified

The human lineage began to diverge from those of other primates about

Correct Answer
verified

You are charged with differentiating a snake and a lizard.Which of the following statements allows you to make this distinction without any doubt?

Correct Answer
verified

Which fish were thought to be extinct,but were actually found in living populations?

Correct Answer
verified

Reptiles are better adapted to life on land than are amphibians.Which external characteristic would a reptile have to lose to make it roughly externally equivalent to an amphibian in terms of ability to tolerate dry land?

Correct Answer
verified

Hagfish are classified as vertebrates,but they do not have a vertebral column.

Correct Answer
verified

Metamorphosis is

Correct Answer
verified

In lampreys,the notochord is surrounded by a cartilaginous rod.

Correct Answer
verified

What are the closest ancestors of humans (genus Homo) ?

Correct Answer
verified

Exam 26: Animal Diversity: Vertebrates

Correct AnswerverifiedShow Answer

If ancestral humans did not develop an opposable thumb,grasping fingers,and binocular vision,how might their history have differed?

Correct AnswerverifiedShow Answer

How would an animal compensate for a nonfunctional lateral line?

Correct AnswerverifiedShow Answer

The swim bladder is an organ in primitive fish from which the lungs of terrestrial vertebrates developed.

Correct AnswerverifiedShow Answer

A distinguishing feature of the Squamata is their

Correct AnswerverifiedShow Answer

Marsupials are distinguished by

Correct AnswerverifiedShow Answer

Match the description with the correct structure of the amniotic egg

A frog loses its ability to undergo buccal pumping.What must happen to compensate for this loss?

Correct AnswerverifiedShow Answer

Eutherian mammals are uniquely defined by

Correct AnswerverifiedB

A bird in your care has an infection in its air sacs.What do you predict would be the effect of this infection?

Correct AnswerverifiedShow Answer

Sharks have cartilaginous skeletons because bone-forming ability had not yet evolved in vertebrates when they originated.

Correct AnswerverifiedFalse

Which is an incorrect match of taxonomic category and common name?

Correct AnswerverifiedShow Answer

The human lineage began to diverge from those of other primates about

Correct AnswerverifiedShow Answer

You are charged with differentiating a snake and a lizard.Which of the following statements allows you to make this distinction without any doubt?

Correct AnswerverifiedShow Answer

Which fish were thought to be extinct,but were actually found in living populations?

Correct AnswerverifiedShow Answer

Reptiles are better adapted to life on land than are amphibians.Which external characteristic would a reptile have to lose to make it roughly externally equivalent to an amphibian in terms of ability to tolerate dry land?

Correct AnswerverifiedShow Answer

Hagfish are classified as vertebrates,but they do not have a vertebral column.

Correct AnswerverifiedShow Answer

Metamorphosis is

Correct AnswerverifiedShow Answer

In lampreys,the notochord is surrounded by a cartilaginous rod.

Correct AnswerverifiedShow Answer

What are the closest ancestors of humans (genus Homo) ?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
B

Correct Answer
verified

Correct Answer
verified
False

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified