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Immigration and Emigration
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Immigration and Emigration

Immigration and Emigration

Author: Amanda Soderlind

This lesson will introduce immigration and emmigration, and explain the effects both can have on a community.

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Immigration is when members of a species move into a community.


Emigration is when members of a species move out of a community.


Immigration and emigration can affect a community. It will affect the overall population of the community. It can also have an effect on the food web of the community. For example, if a certain food source becomes scarce to a species of birds in a population some of those birds might emigrate out of the community. Because there are fewer birds it will have an effect on the animals that prey on those birds.