Choose any three of the following examples (#1-7) determine which mechanism of evolution it involves: Natural Selection, Genetic Drift (Founder’s Effect or Bottlenect Effect), Sexual Selection, or Gene Flow.

A large hurricane blows a log offshore to an island. A group of beetles that were living on the log arrive on an island and begin to interbreed with the population of beetles that were already living on the island.
Cats and dogs are often given flea medications to control flea outbreaks. In one area, the flea medications are no longer working because the fleas have acquired a mutation that makes them resistant to this type of chemical.
A volcanic eruption causes lava to flow down the slide of a mountain that is the habitat for a population of sloths. Being slow, the sloths are unable to outrun the approaching lava flow and die. A few sloths were in trees not burned by the lava flow and survived. These sloths are the last of their kind in this region of the rainforest.
The male bowerbirds of create elaborate mosaics of flowers, fruit and other colorful artifacts to attract a mate to their nest.
The Amish traditionally only marry within their communities. As a result, the rate of polydactyly, a genetic disorder that causes having extra fingers, is unusually high within this population.
Peppered moths are speckled black and white. During the industrial revolution, pollution from burning coal killed the lichen on trees shifting the color of bark from light to dark. As a result, the birds were able to more readily hunt the light-colored moths and future generations resulted in more dark peppered moths.
White rhinos have been hunted to near extinction as poachers have hunted them for their horns that yield a high resale in cultures that believe it is has medicinal value.