Answer:
Studying population growth also helps scientists understand what causes changes in population sizes and growth rates. ... Finally, studying population growth gives scientists insight into how organisms interact with each other and with their environments. Family planning helps people have the desired number of children, which as a result improves the health of mothers and contributes to the nation's social and economic development. ... Such an unbalanced population size will inevitably have a negative impact on the wellbeing of the nation.
