A researcher is studying a population with a unique age structure. An age-structured histogram he has developed over the course of several decades has undergone transformations in shape, from a pyramid shape to a roughly rectangular shape to an inverted pyramid shape (where the base is narrower than the top). How has this population changed over time?

Question

Jersey

Biology

10 August, 16:53

A researcher is studying a population with a unique age structure. An age-structured histogram he has developed over the course of several decades has undergone transformations in shape, from a pyramid shape to a roughly rectangular shape to an inverted pyramid shape (where the base is narrower than the top). How has this population changed over time?

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Brandon Moreno · Answer 1

The population first grows, stabilizes, and then declines.

Explanation:

A researcher is studying a population with a unique age structure. An age structured histogram he has developed over the course of several decades has undergone transformations in shape, from a pyramid shape to a roughly rectangular shape to an inverted pyramid shape (where the base is narrower than the top). The population first grows, stabilizes, and then declines.