Use reasoning to answer the following question.
What can happen to a population when animals begin to migrate?\nOptions:\n- (A) It expands\n- (B) harm them\n- (C) it can change species\n- (D) Move to another area\n- (E) it can eat more\n- (F) it can go extinct\n- (G) it can fluctuate\n- (H) Plant growth is reduced

(G)
Migration is a type of movement that changes population size.

Population viability Population sizes are under constant fluctuation.

Migration is a type of movement that causes a population to fluctuate.

.

The answer: (G)