What does the following diagram indicate? (a)Declining population

Category: QuestionsWhat does the following diagram indicate? (a)Declining population
Editor">Editor Staff asked 2 months ago

What does the following diagram indicate?
 
(a) Declining population
 
(b) Expanding population
 
(c) Reproductive isolation
 
(d) Steady population
 
This question was addressed to me in semester exam.
 
My question is based upon Population Attributes in division Organisms and Populations of Biology – Class 12

1 Answers
Editor">Editor Staff answered 2 months ago

The correct choice is (d) Steady population
 
The explanation: The following pyramid indicates a steady population. It is a bell-shaped pyramid in which the individuals in pre-reproductive and reproductive age are almost equal while fewer individuals are present in post-reproductive age.