A small population of lizards lives on an island. A terrible hurricane comes through and blows many of the trees into the ocean, along with the lizards that were in them. Only 1/4 of the population of lizards is left alive. The allele frequencies of a gene for color changes dramatically in this reduced population. What event has possibly occurred? Choose all processes that occurred. A bottleneck Founder's affect Genetic drift Microevolution Macroevolution .