a. Label the three tiers 1, 2, 3 given i | Class 12 Biology Chapter Organisms and Population, Organisms and Population NCERT Solutions

Question:

identify

a. Label the three tiers 1, 2, 3 given in the above age pyramid.
b. What type of population growth is represented by the above age pyramid?

Answer:

Population is divided into three important age classes: Pre- reproductive, Reproductive and Post- reproductive. An age pyramid is a graphical representation which shows the number and the proportion of the individuals that belongs to various age classes in a population of an individual at the given time. There are three types of age pyramid: Upright broad based pyramid, Bell shaped pyramid and Urn shaped pyramid.

1. Pre- reproductive; 2. Reproductive; 3. Post- reproductive
Upright broad base pyramid which represents the expanding population with the high birth rate. It shows high proportion of pre- reproductive age class individuals than the reproductive and post- reproductive age class; which gives pyramid shaped age structure.

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Welcome to the NCERT Solutions for Class 12 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 10: a. Label the three tiers 1, 2, 3 given in the above age pyramid. b. What type of population growth ....

a. Label the three tiers 1, 2, 3 given i | Class 12 Biology Chapter Organisms and Population, Organisms and Population NCERT Solutions

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