What is the theory of evolution and natural selection?

https://www.youtube.com/watch?v=XOiUZ3ycZwUMajor points that must be covered in your paper:What is the theory of evolution and natural selection?What are the ideas proposed by Russell and Darwin?What did Darwin observe on his visit to Galapagos?What were his conclusions on the different species of birds and animals observed across the islands?Are all the species related? How? What is the evidence to support your reply?How are genes involved in the mechanism of evolution? Is evolution a random process? What is the end goal of evolution?In order to get full points for this assignment, you must answer all the above questions clearly and succinctly in your own words.