Respuesta :
Emigration is when animals leave an ecosystem whereas immigration is the opposite
When animals leave an ecosystem is emigration. thus, option C is correct.
What is emigration?
The permanent change of residence by an individual or group is called as emigration.
Permanent emigration represents a loss of population in the place of origin. Whether this loss translates into a long-run reduction in population size depends on the age and gender composition of emigrant flows, and whether birth and survival rates rise in response to the loss of population.
Learn more about emigration here:
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