Question 1

Which of the following is essential for birds to maintain their high metabolic rate?

Accepted Answer

A)   Skin that is used as a respiratory structure
B)   Hollow bones, which decrease body mass
C)   Embryonic development in a shelled amniotic egg
D)   A four- chambered heart, which maximizes oxygen delivery
E)   Extraordinary coordination by a well- developed nervous systemF) A) and B)
G) A) and C)

Question 2

Lungfishes are classified as

Accepted Answer

A)   jawless fishes.
B)   lobe- finned fishes.
C)   ray- finned fishes.
D)   amphibians.
E)   cartilaginous fishes.F) A) and B)
G) B) and E)

Question 3

Which characteristic differentiates hagfishes from other craniates?

Accepted Answer

A)   Bony jaws
B)   Lobe- like fins
C)   A lack of gills
D)   Two- chambered hearts
E)   Skeletal elements surrounding the nerve cordF) None of the above
G) D) and E)

Question 4

Cartilaginous fishes have internal fertilization.

Accepted Answer

A) True 
 B)False

Question 5

What characteristics must an animal possess in order to be considered a chordate?

Accepted Answer

At some point during their liv...

Question 6

The shelled egg of reptiles prevents the egg from dehydrating.

Accepted Answer

A) True 
 B)False

Question 7

Hagfishes lack jaws.

Accepted Answer

A) True 
 B)False

Question 8

The are craniates that lack a vertebral column.

Accepted Answer

The answer of The are craniates that lack a vertebral...

Question 9

A lamprey is a(n)

Accepted Answer

A)   amphibian.
B)   jawless fish.
C)   bony fish.
D)   invertebrate chordate.
E)   cartilaginous fish.F) A) and B)
G) B) and C)

Question 10

At some stage of the life cycle, all chordates have

Accepted Answer

A)   a pre- anal tail.
B)   pharyngeal gill slits.
C)   a backbone.
D)   an external skeleton.
E)   a ventral nerve cord.F) A) and D)
G) C) and D)

Question 11

You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two- chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

Accepted Answer

A)   Amphibia.
B)   Actinopterygii.
C)   Chondrichthyes.
D)   Reptilia.
E)   Actinistia.F) B) and E)
G) All of the above

Question 12

Why can't amphibians be entirely terrestrial?

Accepted Answer

A)   Their digestion is adapted for consuming aquatic prey.
B)   Their limbs are not adapted to support their bodies on land.
C)   They have a three- chambered heart that is not efficient enough for terrestrial life.
D)   Their reproduction requires water to allow fertilization and keep eggs moist.
E)   They do not have lungs but instead have gills that require water for gas exchange.F) A) and D)
G) B) and D)

Question 13

This animal is classified as a

Accepted Answer

A)   ray- finned fish.
B)   lamprey.
C)   monotreme.
D)   lobe- finned fish.
E)   tunicate.F) All of the above
G) A) and C)

Question 14

To prevent dehydration, reptiles have

Accepted Answer

A)   scaly skin.
B)   embryos that lack gills.
C)   moist, slime- covered skin.
D)   eggs that contain no water.
E)   a four- chambered heart.F) A) and E)
G) C) and D)

Question 15

Although they are mammals, monotremes lack

Accepted Answer

A)   nipples.
B)   ovaries in females.
C)   hair.
D)   mammary glands.
E)   a four- chambered heart.F) A) and E)
G) A) and B)

Question 16

In vertebrates, the analogous structure to the notochord is

Accepted Answer

A)   a nerve cord.
B)   jaws.
C)   fins.
D)   a backbone.
E)   a skull.F) B) and E)
G) B) and C)

Question 17

Most have swim bladders.

Accepted Answer

A)   jawless fishes
B)   ray- finned fishes
C)   cartilaginous fishes
D)   lobe- finned fishes
E)   marine mammalsF) All of the above
G) D) and E)

Question 18

Chondrichthyes includes

Accepted Answer

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

Question 19

A swamp contains lungfishes, lampreys, and ray- finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

Accepted Answer

Lungfishes have both gills for breathing...

Question 20

Even though humans don't have tails or gills, they are still chordates; why is this so?

Accepted Answer

During development, human embryos have b...

Exam 25: Animal Diversity II: Vertebrates

Although they are mammals, monotremes lack

Correct AnswerverifiedShow Answer

What characteristics must an animal possess in order to be considered a chordate?

Correct AnswerverifiedAt some point during their liv...View AnswerShow Answer

Why can't amphibians be entirely terrestrial?

Correct AnswerverifiedShow Answer

At some stage of the life cycle, all chordates have

Correct AnswerverifiedShow Answer

In vertebrates, the analogous structure to the notochord is

Correct AnswerverifiedShow Answer

Even though humans don't have tails or gills, they are still chordates; why is this so?

Correct AnswerverifiedDuring development, human embryos have b...View AnswerShow Answer

The are craniates that lack a vertebral column.

Correct AnswerverifiedShow Answer

Which of the following is essential for birds to maintain their high metabolic rate?

Correct AnswerverifiedShow Answer

Cartilaginous fishes have internal fertilization.

Correct AnswerverifiedShow Answer

Which characteristic differentiates hagfishes from other craniates?

Correct AnswerverifiedShow Answer

You find a new animal. It is a large, predatory marine vertebrate covered with scales. It has a two- chambered heart and gills, and its skeleton is made of cartilage. You should classify it as

Correct AnswerverifiedShow Answer

To prevent dehydration, reptiles have

Correct AnswerverifiedShow Answer

A swamp contains lungfishes, lampreys, and ray- finned fishes. As the swamp begins to dry out, which fishes will better survive and why?

Correct AnswerverifiedLungfishes have both gills for breathing...View AnswerShow Answer

Chondrichthyes includes

Correct AnswerverifiedShow Answer

This animal is classified as a

Correct AnswerverifiedShow Answer

Most have swim bladders.

Correct AnswerverifiedShow Answer

A lamprey is a(n)

Correct AnswerverifiedShow Answer

The shelled egg of reptiles prevents the egg from dehydrating.

Correct AnswerverifiedShow Answer

Lungfishes are classified as

Correct AnswerverifiedShow Answer

Hagfishes lack jaws.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified
At some point during their liv...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
During development, human embryos have b...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Lungfishes have both gills for breathing...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified