Question

Ill give the brainylist thingy. pls help me bro

Which of the following pairings is correct?


Genetic hitchhiking is the variation caused by random events


Mutations are a source of genetic drift


Natural selection is the variation that occurs when new individuals arrive in a population


Gene flow is the exchange of genes between populations

Answer 1

the answer is gene flow is the exchange of genes between populations

Step-by-step explanation:

Answer 2

I think its the last one, by definition