EBK LIFE: THE SCIENCE OF BIOLOGY
EBK LIFE: THE SCIENCE OF BIOLOGY
11th Edition
ISBN: 8220103935432
Author: Sadava
Publisher: MAC HIGHER
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Chapter 58.1, Problem 2R
Summary Introduction

To review:

The reason behind the extinction of heath hen in 1932 using the extinction vortex concept.

Introduction:

The ecologists and other scientists use the extinction vortices (models) to categorize the extinctions as per their causes and to understand their dynamics. Four classes of these models were created by ME Soule and ME Gilpin in the year 1986. The R and D classes deal with the environmental factors like pollution, disturbance, and habitat loss, which affect the ecosystem. The F and A classes deal with the genetic factors like genetic drift, interbreeding, and breeding depressions, which affect a population of an organism and the ecosystem as a whole.

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