Which of the Following Is an Example of Emigration

Multiple Choice

Which of the following is an example of emigration?

A) A river separates two populations of animals so that they can no longer interact.
B) During a severe storm, several birds arrive in a new forest in which that species has not previously been observed.
C) A snail is accidentally transported to a new island in a shipment of fruit.
D) Larger plants gradually appear in a meadow.
E) A deer successfully crosses the road and back in search of more food.