Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Answer 5

Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

Answer 6

Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

Answer 7

Chapter 34, Problem 7TYKF

Summary Introduction

Introduction: Extant mammals are those that are surviving till present day. They evolved from a common mammalian ancestor. The extant mammals or modern mammals include marsupials, eutherians, and monotremes. During the course of evolution from a common amniote ancestor, they evolved some derived and shared derived characters such as hair, endothermy, viviparity, placenta, and marsupium.

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Ch. 34 - Name the animal shown in the following diagram and...Ch. 34 - Prob. 2IQ Ch. 34 - The following phylogenetic hypothesis shows the...Ch. 34 - a. List the derived characters of gnathostomes. b....Ch. 34 - a. What three lineages of lobe-fins survive today?...Ch. 34 - Describe the 375-million-year-old fishapod fossil...Ch. 34 - Identify the four extraembryonic membranes in the...Ch. 34 - Prob. 8IQ Ch. 34 - Prob. 9IQ Ch. 34 - a. List the derived characteristics of mammals. b....

Solution Summary: The author explains that extant mammals evolved from a common mammalian ancestor. They evolved hair, endothermy, viviparity, placenta, and marsupium.

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