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

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in Biology – Class 12 by (271k points)
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

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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.

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