Natural Selection, Adaptations, and Patterns of Evolution

You already know that natural selection is a mechanism of evolution. Learn more about how natural selection worked in a moth species in England during the Industrial Revolution of the early 1800s by viewing the first six minutes of the video Natural Selection | Crash Course Biology #14 from eMediaVASM. As you view the video, make note of why natural selection is considered to be the most powerful of all of the mechanisms of evolution.