Question
Differentiate between immigration and emigration.
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Immigration
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Emigration
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1
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Immigration refers to the number of individuals aiming into a population from elsewhere during a given period of time.
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1
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Emigration refers to the number of individuals going out of a population to elsewhere during a given period of time.
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2
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It leads to an increase in population density.
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2
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It leads to a decrease in population density.
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Identify the type of the given ecological pyramid and give one example each of pyramid of number and pyramid of biomass in such cases.