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

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. 
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.

Question 3

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. 
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.

Question 4

______ glands in amphibians secrete defensive compounds.

Accepted Answer

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

Question 5

Tetrapods originated in the ______________ period.

Accepted Answer

A)  Permian 
B)  Cambrian 
C)  Carboniferous 
D)  Devonian 
E)  Silurian 
A)  Permian 
B)  Cambrian 
C)  Carboniferous 
D)  Devonian 
E)  Silurian

Question 6

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. 
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.

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 correct 
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 correct

Question 8

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. 
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.

Question 9

Outline the circulatory pathways of amphibians.

Accepted Answer

Amphibians have a double circulatory sys

Question 10

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 water 
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 water

Question 11

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 12

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. 
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.

Question 13

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)  excrete 
A)  breed 
B)  breathe 
C)  feed 
D)  excrete

Question 14

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

Question 15

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. 
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.

Question 16

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 correct 
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 correct

Question 17

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 18

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 19

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. 
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.

Question 20

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)  Urodela 
A)  Anthracosauria 
B)  Gymnophiona 
C)  Anura 
D)  Lissamphibia 
E)  Urodela

Exam 25: Early Tetrapods and Modern Amphibians

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

Completely terrestrial salamanders

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

______ glands in amphibians secrete defensive compounds.

Tetrapods originated in the ______________ period.

Which is true regarding frog skin?

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

Outline the circulatory pathways of amphibians.

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

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

Caecilians

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

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

The Amphiumidae salamanders

Most terrestrial salamanders fertilize eggs using which method?

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?

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

The urostyle of the frog skeleton represents

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?

Life: Biological Principles and the Science of Zoology

The Origin and Chemistry of Life

Cells As Units of Life

Cellular Metabolism

Genetics: a Review

Organic Evolution

The Reproductive Process

Principles of Development

Architectural Pattern of an Animal

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges and Placozoans

Radiate Animals

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Polyzoa and Kryptrochozoa

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Amniote Origins and Nonavian Reptiles

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Mammals

Support, protection, and Movement

Homeostasis: Osmotic Regulation, Excretion, and Temperature Regulation

Homeostasis: Internal Fluids and Respiration

Digestion and Nutrition

Nervous Coordination: Nervous System and Sense Organs

Chemical Coordination: Endocrine System

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