The way in which individually advantageous feature causes greater species diversity. Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

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Answer 1

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Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

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The biological species concept depends on the existence of barriers to reproduction. What are they? Does this species concept apply in all situations? Think of an example from nature where the biological species concept would NOT be that applicable. Which species concept would be better in this example? How does speciation occur? What environmental factors might contribute to speciation? Can an individual speciate? Use terminology for the two kinds of speciation we have learned about. What is “gene flow”? What does it mean if there is NO gene flow? Two groups of individuals are separated by either side of a canyon. One researcher found that they do not cross the canyon at any point. The group on the north side have fluffy tails and thicker coats, and they do not eat moss. The south side individuals eat moss almost exclusively, have a thin coat and tail, but otherwise are generally identical. When in the lab they mated successfully, and the offspring of that mating also mated…

n which situation would it make sense to use the morphological species concept? When you are able to collect data about how individuals in your study use their habitat, but you are unable to determine if they interbreed When working with fossils from extinct organisms When you only have genetic data about each organism in your study When you are not able to collect data about how individuals in your study use their habitat, but you are able to collect reproductive data

What is a reason that speciation can occur? Organisms within a species are brought into closer proximity by a physical barrier. Organisms within an ecosystem make adaptions that involve different breeding times or interactions. Organisms develop traits that are not beneficial to their survival, and these traits are passed from generation to generation. Organisms develop traits that are beneficial and pass on the same traits to all future generations within the same species.

Answer 2

Question

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

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Answer 3

Question

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

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Answer 4

Question

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

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Answer 5

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

Answer 6

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Answer 7

Chapter 3, Problem 3PDT

Summary Introduction

To explain: The way in which individually advantageous feature causes greater species diversity.

Introduction: A feature that turns advantageous to an individual organism causes a greater number of species in certain clades. For example, wings have been advantageous to cause the great diversity of winged insects compared to a few species of primitively wingless insects.

Answer 8

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

Answer 9

Summary Introduction

To explain: The method for testing the hypothesis that a certain feature can cause a great diversity of certain groups of organisms.

Introduction: A hypothesis is an assumption based on some known fact but yet to prove it. Biological diversity is the variation among organisms which indicates species richness.

Answer 10

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Answer 13

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

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