Evolution
Evolution
4th Edition
ISBN: 9781605356051
Author: Douglas Futuyma, Mark Kirkpatrick
Publisher: SINAUER
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Chapter 19, Problem 6PDT
Summary Introduction

To explain: Whether clades with few living species may be very young.

Introduction: A group of organisms that have been originated and evolved from one common ancestor is called a clade. The variation occurred due to the evolution of a common ancestor to adapt and diversify into one or more species and subgroups. Since the origin is same, clade is said to be monophyletic. The construction of a phylogenetic tree helps to observe clades.

Summary Introduction

To explain: Alternate hypothesis to define different clades.

Introduction: A group of organisms that have been originated and evolved from one common ancestor is called a clade. The variation occurred due to the evolution of a common ancestor to adapt and diversify into one or more species and subgroups. Since the origin is same, clade is said to be monophyletic. The construction of a phylogenetic tree helps to observe clades.

Summary Introduction

To explain: Evidence of the hypothesis used to define clades.

Introduction: A group of organisms that have been originated and evolved from one common ancestor is called a clade. The variation occurred due to the evolution of a common ancestor to adapt and diversify into one or more species and subgroups. Since the origin is same, clade is said to be monophyletic. The construction of a phylogenetic tree helps to observe clades.

Summary Introduction

To explain: The components constituting the evidence used to define different clades.

Introduction: A group of organisms that have been originated and evolved from one common ancestor is called a clade. The variation occurred due to the evolution of a common ancestor to adapt and diversify into one or more species and subgroups. Since the origin is same, clade is said to be monophyletic. The construction of a phylogenetic tree helps to observe clades.

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