Hey... Um-mm the answer is the two factor that affect population size is emigration and Immigration. The diff of emigration and immigration is that emigration is when you leave some way for an ex Mexico, When Mexican leave there country they are emigrating. And when they come in to the US They are immigrate. :)
affects another population by just people just get jealos
Birth and death
population dynamics-Population dynamics is the study of the factors that influence these changes in a population's size
political influence
Explain how the concepts of territory, population, sovereignty, and government influence the development of a nation.
carrying capacity
dont know
it increases the power of the ocean
the influence of stochasticity on nonlinear population.
Food
from their enviroment
Simple mathematics. If there are more births than deaths, the population will increase. If the reverse is true, the population decreases.
population size decreases
It provides information to all the population it supplies