AP Environmental Sciencemediummcq1 pt
What causes a population to keep growing for decades after birth rates fall?
A.Population momentum from existing young cohorts
B.Immigration only
C.Rising death rates
D.Shrinking carrying capacity
Explanation
Core Concept
Large cohorts of children already born will reproduce even at lower fertility, delaying the population peak — momentum, not current births.
Correct Answer
APopulation momentum from existing young cohorts
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