Evolutionary Analysis (5th Edition)
Evolutionary Analysis (5th Edition)
5th Edition
ISBN: 9780321616678
Author: Jon C. Herron, Scott Freeman
Publisher: PEARSON
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Chapter 4, Problem 1Q

According to the evolutionary tree in Figure 4.37, which is more closely related to rodents: shrews and moles, or primates? Explain how the tree shows this.

Chapter 4, Problem 1Q, According to the evolutionary tree in Figure 4.37, which is more closely related to rodents: shrews

Figure 4.37 Phylogeny of the mammals From Murphy et al. (2001).

Expert Solution
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Summary Introduction

To determine: Whether shrews, moles, or primates are more closely related to rodents in the figure.

Introduction: Evolutionary tree, also known as phylogenetic tree, includes a branching diagram that shows the evolutionary relationships present among various species. An evolutionary tree helps to determine the similarities and differences present between various organisms.

Explanation of Solution

Pictorial representation: Fig.1 represents the evolutionary tree of mammals.

Evolutionary Analysis (5th Edition), Chapter 4, Problem 1Q

Fig.1: Phylogeny of mammals.

From the given phylogenetic tree, it is evident that primates are more closely related to each other than other organisms.

Expert Solution
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Summary Introduction

To determine: The reason why primates are more closely related to rodents.

Explanation of Solution

From the phylogenetic tree, the node descending between primates and rodents are more recent than any other groups. They both share a more recent common ancestor than primates and shrews or moles. Therefore, primates and rodents are more closely related to each other.

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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license