Answer:
A. population
Step-by-step explanation:
Birth rates, death rates and migration are all demographic parameters for measuring the population.
- Birth rate is the rate or frequency at which live births are recorded. It is usually the number of successful deaths within a period of time.
- Death rates is the frequency at which people die in a population.
- Migration is the movement of people from one place to another.
It is clearly evident that these parameters influences the dynamics of population.