Class 12 Botany simulations · Organisms and Populations

Age pyramids

Compare the age structure of expanding, stable and declining human populations.

Open the simulation

What to notice

The shape of the age pyramid shows whether a population is growing, stable or declining.

Key relation

Pre-reproductive · reproductive · post-reproductive age groups

Try this

Which shape matches a country with a high birth rate?

What you can change

• Population: choose Expanding, Stable, Declining

More in Organisms and Populations

• Exponential and logistic growth
• Population interactions
• Predator–prey cycles

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