Question

A family of raccoons living in the center of the forest leaves that area and joins a population of raccoons living near the edge of the forest. Over a period of years, a certain trait in the raccoon population living near the edge of the forest becomes more common. What factor caused the raccoon population to evolve?

A) mutation
B) migration
C) genetic recombination
D) genetic drift

Answer 1

I think the answer would be D, genetic drift, bit its not set in stone
Hope this helps
Nevermind, I think the answer is migration