Answer :
Answer:
D- variations in population size population migration rates and the rate of natural increase
Explanation:
The general model that seeks to explain is option(d) How differences in birth and death rates result in natural population change.
What is demographic Transition model?
- Demographic transition is a term used in demography to describe the historical shift from high birth rates and high death rates in societies with limited technology, education (especially for women), and economic development, as well as the stages in between.
- Despite the fact that this change has occurred in many industrialized countries, the theory and model are frequently inaccurate when applied to individual countries due to specific social, political, and economic circumstances affecting specific populations.
What are the five stages of Demographic Transition-
- FIRST STAGE (High stationary)-It is characterized by both A high birth rate and a high death rate.
- SECOND STAGE (Early expanding)-It begins with the Declining of death rate while Birth rate still remains high.
- THIRD STAGE (Late expanding)-Death rate declines further and Birth rate now begins to fall.
- FOURTH STAGE (Low stationary) This stage is characterized with Low birth rate and Low death rate.
- FIFTH STAGE: (Declining)-Birth rate is now lower than death rate Hence the population begins to decline.
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