Question

Which of the following is a possible reason for migration?
a.
microevolution
b.
diminished food supply
c.
increased ecosystem stability
d.
macroevolution


Please select the best answer from the choices provided

A
B
C
D

Answer 1

B

A diminished food supply (or other resource shortages) is a common cause of migration. Microevolution and macroevolution refer to genetic change over time, and increased ecosystem stability would generally reduce the need to migrate.