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Tamil Nadu Board of Secondary EducationHSC Science Class 12

Describe Population Age Distribution. - Zoology

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Question

Describe Population Age Distribution.

Answer in Brief

Solution

The proportion of the age groups (pre-reproductive, reproductive and post reproductive) in a population is its age distribution attribute. This determines the reproductive status of the population at the given time and is an indicator of the future population size. Usually a rapidly growing population will have larger proportion of young individuals. A stable population will have an even distribution of various age classes. A declining population tends to have a larger proportion of older individuals.


                                      Age distribution pyramids

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Population Age Distribution
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Chapter 10: Organisms and Populations - Evaluation [Page 179]

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Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 10 Organisms and Populations
Evaluation | Q 30. | Page 179
Samacheer Kalvi Biology (Zoology) [English] Class 12 TN Board
Chapter 11 Organisms and Populations
Evaluation | Q 30. | Page 195
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