Question

Why are population pyramids sometimes called age- structure diagrams?

Answer 1

One of the tools that demographers use to understand population is the age structure diagram (it is sometimes called a population pyramid, but it is not always pyramidal in shape). This diagram shows the distribution by ages of females and males within a certain population in graphic form.

Explanation:

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Answer 2

Answer:

this is a optional question

and the correct answer is option c

Explanation:

The proportions of different age groups in the population of any organism is called age pyramid. In triangular age pyramid, number of pre-reproductive individuals is very large, number of reproductive individuals is moderate and post-reproductive individuals are fewer. This type of age pyramid shows that population is growing.

So, the correct answer is 'A pyramid shaped diagram that has a large population of males and females in the pre-reproductive years'.

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