Question

A population of ducks lives on a pond. Which of these events is an example of emigration in the duck population?

A. A duck moves into the pond.
B. An old duck is killed by a fox.
C. A new duckling hatches.
D. A duck flies to another pond.

Answer 1

D. A duck flies to another pond.

The above sentence is an example of emigration. Emigration refers to moving from one area to another for a long or permanent period. In this instance, a duck is leaving the pond it originally resided in (along a population other ducks) in order to reside in another pond. Therefore, it can be said that the duck "emigrated". 

Answer 2

Answer:

D. A duck flies to another pond.

(APEX)