Question 1

Which of the following is a feature of alligator reproduction?

Accepted Answer

A)  The female hears the young and digs open the nest to help them escape. 
B)  The male alligator bellows during mating season. 
C)  Incubation temperature determines the sex ratio of the offspring. 
D)  The mother guards the area where the eggs are incubating. 
E)  All of these choices are correct. 
A)  The female hears the young and digs open the nest to help them escape. 
B)  The male alligator bellows during mating season. 
C)  Incubation temperature determines the sex ratio of the offspring. 
D)  The mother guards the area where the eggs are incubating. 
E)  All of these choices are correct.

Question 2

The dermal layer of the reptile skin contains color-bearing cells called ____________.

Accepted Answer

The answer of The dermal layer of the reptile skin...

Question 3

If beta-keratin is unique to nonavian reptiles,how can one say that keratin is a shared feature of nonavian reptiles,birds,and mammals?

Accepted Answer

Beta-keratin is indeed a type of keratin

Question 4

In the nonavian reptilian egg,the embryo is bathed in a fluid contained within an extra-embryonic membrane called the __________________.

Accepted Answer

The answer of In the nonavian reptilian egg,the embryo is...

Question 5

Surviving tuataras (Sphenodon)are mostly restricted to a group of islands off the coast of ______ ______.

Accepted Answer

The answer of Surviving tuataras (Sphenodon)are mostly restricted to a...

Question 6

Crocodile teeth are set in sockets,a type of dentition called ____________ that was typical of archosaurs and early birds.

Accepted Answer

The answer of Crocodile teeth are set in sockets,a type...

Question 7

Lizards and snakes are closely related; there are a number of poisonous snakes.How common are venomous lizards?

Accepted Answer

A)  Many venomous tropical species exist. 
B)  No lizards are venomous. 
C)  All lizards are at least a little poisonous but only the big ones have enough venom to be worrisome. 
D)  They are uncommon: In North America, the Gila Monster and Mexican Beaded lizards are the only lizards venomous to humans. 
E)  None of the choices are correct. 
A)  Many venomous tropical species exist. 
B)  No lizards are venomous. 
C)  All lizards are at least a little poisonous but only the big ones have enough venom to be worrisome. 
D)  They are uncommon: In North America, the Gila Monster and Mexican Beaded lizards are the only lizards venomous to humans. 
E)  None of the choices are correct.

Question 8

The order Squamata is divided into two suborders,the Serpentes and the ____________.

Accepted Answer

The answer of The order Squamata is divided into two...

Question 9

Discuss the shared derived characters of nonavian reptiles and birds (e.g.,type of skull,aglandular skin,etc.).

Accepted Answer

Nonavian reptiles and birds share severa

Question 10

The synapsid lineage gave rise to present day ______.

Accepted Answer

The answer of The synapsid lineage gave rise to present...

Question 11

We don't find the eggs of garter snakes,rattlesnakes,and copperheads because they retain the eggs internally.Their young appear to be born alive,but actually "hatch" inside.These snakes are _____.

Accepted Answer

A)  nulliparous 
B)  viviparous 
C)  oviparous 
D)  ovoviviparous 
E)  placentotrophic 
A)  nulliparous 
B)  viviparous 
C)  oviparous 
D)  ovoviviparous 
E)  placentotrophic

Question 12

Why should limbs be secondarily lost in so many lineages of nonavian reptiles?

Accepted Answer

The secondary loss of limbs in many line

Question 13

Which of these terms would be used by cladists to describe the members of the class Reptilia?

Accepted Answer

A)  Monophyletic 
B)  Polyphyletic 
C)  Paraphyletic 
D)  A subset of the class Aves 
E)  None of the choices are correct. 
A)  Monophyletic 
B)  Polyphyletic 
C)  Paraphyletic 
D)  A subset of the class Aves 
E)  None of the choices are correct.

Question 14

Nonavian reptiles are a paraphyletic group because

Accepted Answer

A)  they do not have a common ancestry. 
B)  they have a common ancestry. 
C)  they do not include all descendants of their most recent common ancestor. 
D)  they include all descendants of their most recent common ancestor. 
A)  they do not have a common ancestry. 
B)  they have a common ancestry. 
C)  they do not include all descendants of their most recent common ancestor. 
D)  they include all descendants of their most recent common ancestor.

Question 15

Discuss the origin and adaptive diversification of Reptilian groups.

Accepted Answer

The origin and adaptive diversification

Question 16

Which describes viviparity in living reptiles?

Accepted Answer

A)  It has evolved at least 100 times. 
B)  It increases the length of time the eggs are kept in the oviduct. 
C)  It is usually associated with cold climates. 
D)  It is only found in squamates. 
E)  All of these choices are correct. 
A)  It has evolved at least 100 times. 
B)  It increases the length of time the eggs are kept in the oviduct. 
C)  It is usually associated with cold climates. 
D)  It is only found in squamates. 
E)  All of these choices are correct.

Question 17

Lecithotrophy and placentotrophy are strategies for

Accepted Answer

A)  supplying nutrients in eggs before they are laid. 
B)  determining the sex of offspring. 
C)  incubating a nest of reptile eggs. 
D)  providing nutrients to the developing young of viviparous and ovoviviparous reptiles. 
E)  disposing of the placenta of newly born reptiles. 
A)  supplying nutrients in eggs before they are laid. 
B)  determining the sex of offspring. 
C)  incubating a nest of reptile eggs. 
D)  providing nutrients to the developing young of viviparous and ovoviviparous reptiles. 
E)  disposing of the placenta of newly born reptiles.

Question 18

Nonavian reptiles are different from amphibians in that reptiles possess which of the following?

Accepted Answer

A)  A tough, scaly skin that provides protection against desiccation 
B)  Some form of copulatory organ permitting internal fertilization 
C)  A shelled egg that can be laid on dry land 
D)  More muscular jaws 
E)  All of the choices are nonavian reptilian characteristics. 
A)  A tough, scaly skin that provides protection against desiccation 
B)  Some form of copulatory organ permitting internal fertilization 
C)  A shelled egg that can be laid on dry land 
D)  More muscular jaws 
E)  All of the choices are nonavian reptilian characteristics.

Question 19

A unique anatomical design in turtles is that the

Accepted Answer

A)  cranium is fused to the ribs. 
B)  ribs articulate with the backbone. 
C)  ribs have been totally lost. 
D)  limb girdles are inside the ribs. 
E)  sternum is fused with the ribs. 
A)  cranium is fused to the ribs. 
B)  ribs articulate with the backbone. 
C)  ribs have been totally lost. 
D)  limb girdles are inside the ribs. 
E)  sternum is fused with the ribs.

Question 20

When do lizards appear and radiate in the fossil record?

Accepted Answer

A)  Lizards appeared in the Permian and rapidly radiated to give rise to the dinosaurs that dominated the next time periods. 
B)  Lizards appeared in the Jurassic but did not radiate until the Cretaceous when dinosaurs were near the end of their reign. 
C)  Lizards appeared in the Jurassic as a branch of small dinosaurs and radiated rapidly in the Cretaceous. 
D)  Lizards appeared in the Cretaceous and rapidly radiated. 
E)  Snakes took to the surface in the Permian and gradual selection for limbs allowed lizards to radiate in the Triassic. 
A)  Lizards appeared in the Permian and rapidly radiated to give rise to the dinosaurs that dominated the next time periods. 
B)  Lizards appeared in the Jurassic but did not radiate until the Cretaceous when dinosaurs were near the end of their reign. 
C)  Lizards appeared in the Jurassic as a branch of small dinosaurs and radiated rapidly in the Cretaceous. 
D)  Lizards appeared in the Cretaceous and rapidly radiated. 
E)  Snakes took to the surface in the Permian and gradual selection for limbs allowed lizards to radiate in the Triassic.

Exam 26: Amniote Origins and Nonavian Reptiles

Which of the following is a feature of alligator reproduction?

The dermal layer of the reptile skin contains color-bearing cells called ____________.

If beta-keratin is unique to nonavian reptiles,how can one say that keratin is a shared feature of nonavian reptiles,birds,and mammals?

In the nonavian reptilian egg,the embryo is bathed in a fluid contained within an extra-embryonic membrane called the __________________.

Surviving tuataras (Sphenodon)are mostly restricted to a group of islands off the coast of ______ ______.

Crocodile teeth are set in sockets,a type of dentition called ____________ that was typical of archosaurs and early birds.

Lizards and snakes are closely related; there are a number of poisonous snakes.How common are venomous lizards?

The order Squamata is divided into two suborders,the Serpentes and the ____________.

Discuss the shared derived characters of nonavian reptiles and birds (e.g.,type of skull,aglandular skin,etc.).

The synapsid lineage gave rise to present day ______.

We don't find the eggs of garter snakes,rattlesnakes,and copperheads because they retain the eggs internally.Their young appear to be born alive,but actually "hatch" inside.These snakes are _____.

Why should limbs be secondarily lost in so many lineages of nonavian reptiles?

Which of these terms would be used by cladists to describe the members of the class Reptilia?

Nonavian reptiles are a paraphyletic group because

Discuss the origin and adaptive diversification of Reptilian groups.

Which describes viviparity in living reptiles?

Lecithotrophy and placentotrophy are strategies for

Nonavian reptiles are different from amphibians in that reptiles possess which of the following?

A unique anatomical design in turtles is that the

When do lizards appear and radiate in the fossil record?

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

Acoelomorpha,Platyzoa,and Mesozoa

Polyzoa and Kryptrochozoa

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Trilobites, Chelicerates, and Myriapods

Crustaceans

Support, Protection, and Movement

Chaetognaths, Echinoderms, and Hemichordates

Chordates

Fishes

Early Tetrapods and Modern Amphibians

Birds

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

Immunity

Animal Behavior

Animal Distributions

Animal Ecology

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Surviving tuataras (Sphenodon)are mostly restricted to a group of islands off the coast of .