Use reasoning to answer the following question. Migration increases what?
Options:
- (A) root growth
- (B) speed
- (C) distance
- (D) voltage
- (E) energy usage
- (F) Plants growth
- (G) gene flow
- (H) layers of fat
Gene flow occurs when individuals move into or out of a population. Internal migration describes moves within a country. Gene flow occurs when individuals migrate.
So, the answer is (G).