Question 1

The ______ of the amphibian hindbrain is concerned with equilibrium and movement coordination.

Accepted Answer

The answer of The ______ of the amphibian hindbrain is...

Question 2

______ glands in amphibians secrete defensive compounds.

Accepted Answer

The answer of ______ glands in amphibians secrete defensive compounds....

Question 3

Caecilians

Accepted Answer

A)   live in the tropics around the world.
B)   are blind or nearly blind as adults.
C)   are elongate, burrowing animals.
D)   use copulation for internal fertilization.
E)   All of the choices are correct.F) A) and B)
G) A) and C)

Question 4

The urostyle of the frog skeleton represents

Accepted Answer

A)   a backward extension of the cranium.
B)   several fused caudal vertebrae.
C)   a relocation and fusion of the "missing" ribs.
D)   a newly evolved feature of anurans.
E)   an enigmatic structure of unknown origin.F) None of the above
G) C) and E)

Question 5

Most terrestrial salamanders fertilize eggs using which method?

Accepted Answer

A)   Internal fertilization after the female has picked up spermatophores deposited by the male in the environment
B)   External fertilization in the water similar to fish
C)   Internal fertilization by copulation with a male
D)   External fertilization in the water similar to frogs utilizing amplexus
E)   None of the choices are correctF) B) and D)
G) A) and D)

Question 6

Moving from fish to amphibians,we see which general conversion?

Accepted Answer

A)   A 3-chambered to a 4-chambered heart
B)   All-eggs-in-water to all-eggs-on-land
C)   The lateral line to senses of smell and hearing
D)   Moist skin to skin protective of water loss
E)   All of the choices are correct.F) B) and C)
G) C) and E)

Question 7

Consider the case of some large salamanders that live a long time,produce fewer young,and do not metamorphose into adults without gills,but maintain the juvenile body form as reproductive adults (e.g.,hellbender,mudpuppy,sirens) .In contrast,"normal" salamanders undergo metamorphosis rather rapidly and have short lives and many young.In what habitat would you expect the large salamanders that retain the juvenile body form to live?

Accepted Answer

A)   In permanent ponds or streams providing a stable environment
B)   In slow-moving streams and rivers with stagnant water
C)   In temporary ponds with an unstable environment
D)   As salamanders, both types would have exactly the same habitat and evolutionary pressures
E)   None of the choices are correctF) All of the above
G) A) and B)

Question 8

Tetrapods originated in the ______________ period.

Accepted Answer

A)   Permian
B)   Cambrian
C)   Carboniferous
D)   Devonian
E)   SilurianF) B) and E)
G) B) and D)

Question 9

Most salamanders are fertilized internally after a female picks up a sperm packet or ______________.

Accepted Answer

The answer of Most salamanders are fertilized internally after a...

Question 10

Temnospondyls are a group that generally have only four digits on the forelimb.Which one of the following is a lineage that includes all modern members of the Temnospondyl ancestors?

Accepted Answer

A)   Anthracosauria
B)   Gymnophiona
C)   Anura
D)   Lissamphibia
E)   UrodelaF) C) and E)
G) D) and E)

Question 11

Outline the circulatory pathways of amphibians.

Accepted Answer

Amphibians have a double circulatory sys...

Question 12

Lungless salamanders lack lungs and breathe through their skin after they lose their gills.You would expect lungless salamanders to

Accepted Answer

A)   prefer drier habitats.
B)   be restricted to a smaller or thinner body design.
C)   be larger than most salamanders.
D)   prefer stagnant water.
E)   None of the choices are correct.F) C) and D)
G) B) and D)

Question 13

How would you present the argument that the amphibians represent a "transitional" group - the very kind of group that "creation scientists" claim does not exist?

Accepted Answer

One way to present the argument that amp...

Question 14

The Amphiumidae salamanders

Accepted Answer

A)   are terrestrial throughout their lifetime.
B)   have eliminated lungs.
C)   absorb oxygen through their skin.
D)   have greatly reduced metamorphosis.
E)   All of the choices are correct.F) A) and B)
G) A) and C)

Question 15

All of the following are characteristics of modern amphibians except one.Select the exception.

Accepted Answer

A)   Ten pairs of cranial nerves
B)   Separate sexes
C)   Smooth moist skin
D)   Endothermic
E)   Bony skeletonF) C) and E)
G) B) and C)

Question 16

In frogs the most posterior vertebrae are fused together to form a rod-like ____________.

Accepted Answer

The answer of In frogs the most posterior vertebrae are...

Question 17

What change(s) does an animal that moves from water to land have to accommodate?

Accepted Answer

A)   Change in oxygen content
B)   Regulation of body temperature in a more extreme environment
C)   Wider diversity of habitats
D)   About 1000 times less buoyant density and 50 times less viscosity than water
E)   All of the choices are challenges of life out of waterF) C) and D)
G) None of the above

Question 18

Amphibians were the first vertebrate invaders of land,but most still must return to the water to _____.

Accepted Answer

A)   breed
B)   breathe
C)   feed
D)   excreteE) A) and B)
F) A) and C)

Question 19

Completely terrestrial salamanders

Accepted Answer

A)   have succeeded in avoiding the need for moisture.
B)   convert from the adult left form back to a newt form.
C)   hold their eggs internally until they hatch.
D)   undergo paedomorphosis.
E)   undergo direct development where the larval stage is bypassed.F) D) and E)
G) None of the above

Question 20

Which is true regarding frog skin?

Accepted Answer

A)   The dermis contains chromatophores, which provide skin color.
B)   The dermis contains large serous glands derived from the inner epidermis that produce a skin poison.
C)   The epidermis contains soft keratin.
D)   The epidermis has mucous glands that secrete mucus to waterproof the skin.
E)   All of these choices are correct.F) All of the above
G) B) and C)

Exam 25: Early Tetrapods and Modern Amphibians

How would you present the argument that the amphibians represent a "transitional" group - the very kind of group that "creation scientists" claim does not exist?

Correct Answer
Answered by ExamLex AI
One way to present the argument that amp...
View Answer

Completely terrestrial salamanders

Correct Answer
verified

Lungless salamanders lack lungs and breathe through their skin after they lose their gills.You would expect lungless salamanders to

Correct Answer
verified

Most salamanders are fertilized internally after a female picks up a sperm packet or ______________.

Correct Answer
verified

Temnospondyls are a group that generally have only four digits on the forelimb.Which one of the following is a lineage that includes all modern members of the Temnospondyl ancestors?

Correct Answer
verified

Moving from fish to amphibians,we see which general conversion?

Correct Answer
verified

Which is true regarding frog skin?

Correct Answer
verified

Most terrestrial salamanders fertilize eggs using which method?

Correct Answer
verified

The ______ of the amphibian hindbrain is concerned with equilibrium and movement coordination.

Correct Answer
verified

Amphibians were the first vertebrate invaders of land,but most still must return to the water to _____.

Correct Answer
verified

Caecilians

Correct Answer
verified

The Amphiumidae salamanders

Correct Answer
verified

Tetrapods originated in the ______________ period.

Correct Answer
verified

All of the following are characteristics of modern amphibians except one.Select the exception.

Correct Answer
verified

Correct Answer
verified

The urostyle of the frog skeleton represents

Correct Answer
verified

Outline the circulatory pathways of amphibians.

Correct Answer
Answered by ExamLex AI
Amphibians have a double circulatory sys...
View Answer

What change(s) does an animal that moves from water to land have to accommodate?

Correct Answer
verified

______ glands in amphibians secrete defensive compounds.

Correct Answer
verified

In frogs the most posterior vertebrae are fused together to form a rod-like ____________.

Correct Answer
verified

Exam 25: Early Tetrapods and Modern Amphibians

How would you present the argument that the amphibians represent a "transitional" group - the very kind of group that "creation scientists" claim does not exist?

Correct AnswerAnswered by ExamLex AIOne way to present the argument that amp...View AnswerShow Answer

Completely terrestrial salamanders

Correct AnswerverifiedShow Answer

Lungless salamanders lack lungs and breathe through their skin after they lose their gills.You would expect lungless salamanders to

Correct AnswerverifiedShow Answer

Most salamanders are fertilized internally after a female picks up a sperm packet or ______________.

Correct AnswerverifiedShow Answer

Temnospondyls are a group that generally have only four digits on the forelimb.Which one of the following is a lineage that includes all modern members of the Temnospondyl ancestors?

Correct AnswerverifiedShow Answer

Moving from fish to amphibians,we see which general conversion?

Correct AnswerverifiedShow Answer

Which is true regarding frog skin?

Correct AnswerverifiedShow Answer

Most terrestrial salamanders fertilize eggs using which method?

Correct AnswerverifiedShow Answer

The ______ of the amphibian hindbrain is concerned with equilibrium and movement coordination.

Correct AnswerverifiedShow Answer

Amphibians were the first vertebrate invaders of land,but most still must return to the water to _____.

Correct AnswerverifiedShow Answer

Caecilians

Correct AnswerverifiedShow Answer

The Amphiumidae salamanders

Correct AnswerverifiedShow Answer

Tetrapods originated in the ______________ period.

Correct AnswerverifiedShow Answer

All of the following are characteristics of modern amphibians except one.Select the exception.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The urostyle of the frog skeleton represents

Correct AnswerverifiedShow Answer

Outline the circulatory pathways of amphibians.

Correct AnswerAnswered by ExamLex AIAmphibians have a double circulatory sys...View AnswerShow Answer

What change(s) does an animal that moves from water to land have to accommodate?

Correct AnswerverifiedShow Answer

______ glands in amphibians secrete defensive compounds.

Correct AnswerverifiedShow Answer

In frogs the most posterior vertebrae are fused together to form a rod-like ____________.

Correct AnswerverifiedShow Answer

Correct Answer
Answered by ExamLex AI
One way to present the argument that amp...
View 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

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Amphibians have a double circulatory sys...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified