Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 27, Problem 9RQ

a.

Summary Introduction

To draw:

The general shape of age and structure diagrams characteristics of (a) expanding, (b) stable and (c) shrinking population. And also explain why an individual can predict the next several decades of growth by the current age structure of populations.

Introduction:

Age structure graph is also called as population pyramid that shows the distribution of different age groups individuals within a population. Vertical axis of graph shows the different age groups of an individual while horizontal axis shows the gender of an individual. This diagram is used to predict the age distribution and growth of future population.

b.

Summary Introduction

To determine:

The general shape of age and structure diagram characteristics of a stable population.

c.

Summary Introduction

To determine:

The general shape of age and structure diagram characteristics of shrinking population.

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