Question

predict what might happen to a population that is experiencing little immigration and emigration, low birth rate, and high death rate.

Answer 1

The population decrease. It will decrease because the population has a low birth rate and high death rate.

Answer 2

The population will later, cease to exist.

Since the population is experiencing (about) the same rates of immigration and emigration, these 2 factors will not change anything.

A low birth rate and a high death rate means that more people are dying than being born.

Therefore the population will decrease until there is nobody and it will cease to exist.