What is Natural Selection? – a 9m 19s video from Stated Clearly:
Darwin’s Natural Selection – explained in a 4m 3s video:
Find a video lesson on this sub-topic at Dan Rott videos.
An excellent narrated tutorial on Evolution – the big picture which includes evidence for evolution (from Sinauer Associates).
In Crash Course Biology #14 – Natural Selection, Hank guides us through the process of natural selection, the key mechanism of evolution. Hank’s brother helps him present The Evolutionary Epic (Big History#5).