The classification which is consistent with the goal of including only monophyletic groups. Given: Classification one: Named group Amphibian Mammalia Reptilian Aves Included taxa Frogs, salamanders, and caecilians Mammals Lizards, turtles, and crocodiles Birds Classification two: Named group Amphibia Mammalia Reptilian Included taxa Frogs, salamanders, and caecilians Mammals Lizards, turtles, crocodiles, and birds Classification three: Named group Amphibian Homothermia Reptilia Included taxa Frogs, salamanders, and caecilians Mammals and birds Lizards, turtles, and crocodiles Introduction: There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

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Answer 1

Question

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

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Answer 2

Question

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

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Answer 3

Question

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

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Answer 4

Question

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

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Answer 5

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

Answer 6

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

Answer 7

Chapter 21.4, Problem 3R

Summary Introduction

To review:

The classification which is consistent with the goal of including only monophyletic groups.

Given:

Classification one:

Named group
Amphibian
Mammalia
Reptilian
Aves Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, and crocodiles
Birds

Classification two:

Named group
Amphibia
Mammalia
Reptilian Included taxa
Frogs, salamanders, and caecilians
Mammals
Lizards, turtles, crocodiles, and birds

Classification three:

Named group
Amphibian
Homothermia
Reptilia Included taxa
Frogs, salamanders, and caecilians
Mammals and birds
Lizards, turtles, and crocodiles

Introduction:

There are three types of classification category. They are monophyletic, polyphyletic, and paraphyletic. Monophyletic is the group which has an ancestor and all the descendants are of the ancestor. Polyphyletic is the group which does not include any common ancestors in the group of organisms. Paraphyletic is the group which includes ancestors but some of the descendants are of the ancestors.

Answer 8

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Answer 11

Ch. 21.1 - Prob. 1R Ch. 21.1 - Prob. 2R Ch. 21.1 - Prob. 3R Ch. 21.2 - Prob. 1R Ch. 21.2 - Prob. 2R Ch. 21.2 - Prob. 3R Ch. 21.2 - Prob. 4R Ch. 21.3 - Prob. 1R Ch. 21.3 - Prob. 2R Ch. 21.4 - Prob. 1R

Classification one:
Named group Amphibian Mammalia Reptilian Aves	Included taxa Frogs, salamanders, and caecilians Mammals Lizards, turtles, and crocodiles Birds
Classification two:
Named group Amphibia Mammalia Reptilian	Included taxa Frogs, salamanders, and caecilians Mammals Lizards, turtles, crocodiles, and birds
Classification three:
Named group Amphibian Homothermia Reptilia	Included taxa Frogs, salamanders, and caecilians Mammals and birds Lizards, turtles, and crocodiles

Solution Summary: The author explains that the classification is consistent with the goal of including only monophyletic groups.

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