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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892
BuyFind

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
Publisher: Cengage Learning
ISBN: 9781305389892

Solutions

Chapter
Section
Chapter 1, Problem 8TYK
Textbook Problem
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Which of the following is not a component of Darwin’s theory as he understood it?

a. Some individuals in a population survive longer than others.

b. Some individuals in a population reproduce more thanothers.

c. Heritable variations allow some individuals to compete moresuccessfully for resources.

d. Mutations in genes produce new variations in a population.

e. Some new variations are passed to the next generation.

Expert Solution
Summary Introduction

Introduction:

Natural selection is defined as the selection of organisms by the environment so that the organisms survive better in the new environment. The theory of natural selection was given by Charles Darwin. Darwin studied the process of evolution through the observations and experiments conducted on domesticated animals.

Explanation of Solution

Justification for the correct answer:

Option (d) is “mutations in genes produce new variations in a population.” This option is correct as Darwin described the evolutionary change in terms of the way natural selection changes the commonness of the variations. However, he was not able to explain the way new variations arise and the way through which they are passed onto the next generation. Hence, option (d) is the correct answer.

Justifications for the incorrect answers:

Option (a) is “some individuals in a population survive longer than others.” It is false as environmental factors limit the number of organisms that survive or reproduce. This was one of the components of Darwin’s theory. Therefore, it is an incorrect option.

Option (b) is “some individuals in a population reproduce more than others...

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Chapter 1 Solutions

Biology: The Dynamic Science (MindTap Course List)
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