Question

Which of the following examples describes migration behaviors? Select the correct answer.
A. salmon travels hundreds of miles from saltwater to freshwater to spawn at its birth place.
B. when a bird gets the opportunity, it flies away from the cage to its natural environment.
C. a fish feeds on its own when a primary source is unavailable.

Answer 1

Migration: is the regular, usually seasonal, movement of all or part of an animal population to and from a given area.
http://www.britannica.com/EBchecked/topic/381854/migration

Which of these options sounds correct to this definition? :)

Answer 2

i need the answer