Sign in

NewNcertBiologyOrganisms and Populations

Assertion (A): The age pyramid for a stable population has a bell-shaped appearance. Reason (R): In a stable population, the pre-reproductive and reproductive age groups are roughly equal in size, with a slightly smaller post-reproductive group.
✓ Correct answer: A

Want the full step-by-step reasoning?

Practice thousands more Biology questions free on NewNcert
Start practicing →

Question ID #389063 · NewNcert