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Biology: The Dynamic Science (Mind...

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

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

A population of 1,000 individuals experiences 462 births and 380 deaths in 1 year. What is the value of r for this population?

a. 0.842/individual/year

b. 0.462/individual/year

c. 0.380/individual/year

d. 0.820/individual/year

e. 0.082/individual/year

Summary Introduction

Introduction:

The population may vary in number from place to place depending upon various factors. These factors may include migration, adaptation, and others. Birth rate and death rate in a population remain constant throughout.

Explanation

Explanation for the correct answer:

Option (e) is 0.082/individual/year. The calculation has been shown as follows:

Total population = 1000Number of births = 462Number of deaths = 380r = (BD)Total population

Here, r is the net production rate, B is the number of births, and D is the number of deaths r = 4623801000 = 0

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