Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

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Answer 1

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Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

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Answer 2

Question

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

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Answer 3

Question

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

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Answer 4

Question

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

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Answer 5

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

Answer 6

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

Answer 7

Chapter 31, Problem 3MC

Summary Introduction

Introduction:

Human interference in the biodiversity is the main reason for increasing species extinction. From fossil records, it can be estimated that earlier extinctions occurred naturally. The rate of extinction was very low million years ago. This is known as background extinction rate and it was about 0.1–1 extinction per million species per year. Evidence of mass extinctions is also found in many species million years ago. Recent rate of species extinction is increasing very rapidly. It is about 100–1000 extinctions per million per year and it is 1000 times more than the background extinction rate.

Answer 8

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Answer 11

Ch. 31 - A factor that increases humanity's ecological...Ch. 31 - Prob. 2MC Ch. 31 - Prob. 3MC Ch. 31 - Prob. 4MC Ch. 31 - Which of the following is not true of a population...Ch. 31 - Prob. 1FTB Ch. 31 - 2. Products or processes by which functioning...Ch. 31 - Many of the benefits that humans derive from...Ch. 31 - Prob. 4FTB Ch. 31 - 5. The smallest population of a species that is...

Solution Summary: The author concludes that the modern rate of extinction is much higher than the background rate. Overpopulation is exploiting the biodiversity beyond its capacity.

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