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What Are Population Pyramids? Describe the Three "Ideal Types" of Pyramids

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What are population pyramids? Describe the three "ideal types" of pyramids. Which pyramid represents Canada's age structure?


Definitions:

Polygenic Inheritance

A mode of inheritance in which traits are influenced by multiple genes, leading to a wide variety of possible phenotypes.

Multiple Genes

The concept that certain traits or conditions are influenced by more than one gene, contributing to genetic variability.

Behavior

The way in which one acts or conducts oneself, especially towards others, influenced by a combination of internal and external factors.

Stem Cells

Unique primitive cells that have the capacity to develop into most types of human cells.

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