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A decrease in the Death Rate typically leads to population growth, as more individuals survive longer, while emigration reduces the population by causing individuals to leave an area. However, if emigration rates exceed the number of births or if significant improvements in healthcare lead to longer life spans without corresponding births, the overall population can still decline. Additionally, if young, working-age individuals emigrate, it can lead to a demographic imbalance, further reducing the population over time. Thus, both factors can interact to influence population dynamics in complex ways.

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What are the four processes that determine population growth?

The four processes that determine population growth are birth rate, death rate, immigration, and emigration. Birth rate and immigration increase population size, while death rate and emigration decrease population size. These processes collectively determine whether a population grows, shrinks, or remains stable over time.


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Populations can change in size due to factors such as birth rates, death rates, immigration, and emigration. If the birth rate is higher than the death rate and there is more immigration than emigration, the population will increase. Conversely, if the death rate is higher than the birth rate and there is more emigration than immigration, the population will decrease.


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What are three things that can change a population?

The biggest thing that can change a population is the availability of jobs in that are. 2 other things that can change the population of an area is what businesses are there and the crime rate.


The rate at which population size grows or declines depends on the rate of what?

births, death, immigration and emigration


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A population can decrease in size through emigration, which is the movement of individuals out of a population to another area. Another way is through mortality, which is the death rate within a population exceeding the birth rate, leading to a net decrease in population size. These two factors, emigration and mortality, can result in a decline in population numbers over time.


What is the net increase or decrease of individuals over time?

The net increase or decrease of individuals over time is determined by comparing the birth rate and immigration rate to the death rate and emigration rate. A positive difference indicates a net increase, while a negative difference indicates a net decrease in the population.


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A population can change over time due to factors like birth rate, death rate, immigration, and emigration. High birth rates can lead to population growth, while high death rates can lead to a decline. Immigration can increase the population, while emigration can decrease it. Environmental factors, public health policies, and socio-economic conditions can also impact population changes.


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