Chapter 23, Problem 15TYU

### Biology (MindTap Course List)

11th Edition
Eldra Solomon + 3 others
ISBN: 9781337392938

Chapter
Section

### Biology (MindTap Course List)

11th Edition
Eldra Solomon + 3 others
ISBN: 9781337392938
Textbook Problem

# Test Your UnderstandingEvaluate and Synthesize15. INTERPRET DATA What kind of grouping is represented by the bracketed area in the illustration? What type of group is formed by taxon 2 and taxon 3? What type of group is formed by taxa 2, 4, and 6?For access to MindTap and additional study materials visit www.cengagebrain.com.

Summary Introduction

To determine: The kind of grouping that is represented by the bracketed area in the given cladogram.

Introduction: Cladogram is a type of phylogenetic tree. It is organized by nodes and branches. The organism which is under analysis is present at the end of each branch. The length of a branch represents the relatedness of organisms.

Explanation

The bracketed area consists of 2, 3, 4, and 5 branches. These groups do not include all the descendants of a common ancestor due to the absence of branch 6 in the bracketed area. Thus, it cannot be considered as a monophyletic group...

Summary Introduction

To determine: The type of group that is formed by taxon 2 and 3.

Introduction: Previous classifications consider three different types of taxonomic relationships which are shown in cladogram such as paraphyletic groups, monophyletic groups, and polyphyletic groups.

Summary Introduction

To determine: The type of group that is formed by taxon 2, 4, and 6.

Introduction: Cladogram is a type of phylogenetic tree. It is organized by nodes and branches. The organism which is under analysis is present at the end of each branch. The length of a branch represents the relatedness of organisms.

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