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Biology (MindTap Course List)

11th Edition
Eldra Solomon + 3 others
ISBN: 9781337392938

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BuyFindarrow_forward

Biology (MindTap Course List)

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

Test Your Understanding

Evaluate and Synthesize

15. 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?

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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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