The way in which the difference in use of characters might result in a discrepancy in classification. Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

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Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

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Below is an example of a particular kind of phylogenetic tree called a chronogram. Chronoograms are named because the length of the branches represents different lengths of time. Nodes are represented by vertical lines, and branches with horizontal ones. They can be arranged horizontally, with the most recent evolutions on the right. Given this information, the taxa that is most closely related to Dubautia ciliolata c. 529 (highlighted below) is _________________ (make sure to type exactly the same characters, including the numbers; do not italicize).

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Is it the case that a phylogeny based on a single gene sequence is usually the same as a phylogeny based on multiple gene sequences? Which method is more likely to reflect the true evolutionary history of the in group? Why?

Answer 2

Question

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

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Answer 3

Question

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

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Answer 4

Question

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Expert Solution & Answer

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Answer 5

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Answer 6

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Answer 7

Chapter 16, Problem 3PDT

Summary Introduction

To determine: The way in which the difference in use of characters might result in a discrepancy in classification.

Introduction: In taxonomy, nomenclature and classification of organisms along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Answer 8

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Answer 9

Summary Introduction

To determine: The approach that is more commonly used today.

Introduction: In taxonomy, nomenclature and classification of organisms, along with the study of their evolutionary relationships are called systematics. In the mid-twentieth century, systematists had one of the two views. First, they believed in the classification of organisms merely on the basis of their morphological similarities. The other group considered division into monophyletic groups as a classifying factor as well.

Answer 10

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Answer 13

Ch. 16 - Prob. 1PDT Ch. 16 - Prob. 2PDT Ch. 16 - Prob. 3PDT Ch. 16 - Prob. 4PDT Ch. 16 - Prob. 5PDT Ch. 16 - Prob. 6PDT Ch. 16 - Prob. 7PDT Ch. 16 - Prob. 8PDT Ch. 16 - Prob. 9PDT

Solution Summary: The author explains how the difference in use of characters might result in a discrepancy in classification.

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