Campbell Biology (10th Edition)
Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 53.6, Problem 2CC
Summary Introduction

To discuss: The change in Earth’s human population growthwithin recent decades.

Concept introduction:Population growth rate” refers to the change in population over a time and the number of individuals in a population increases in a certain period. In the recent centuries, the human population has grown exponentially. There were approximately 500 million people who occupied the earth in 1650. And within the next couple of centuries, the population doubled. And it doubles again before the early half of the 19th century. The human population of the earth was around 6.6 billion by the end of the 20th century.

Pictorial representation:

Campbell Biology (10th Edition), Chapter 53.6, Problem 2CC

Fig. 1: Growth rate of human population in recent decades

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Campbell Biology (10th Edition)

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