From this, another stage was set for a new kind of life to appear on earth, a kind of life that would again bring great change to the world more than any creature has ever done before. The creature was human! (Point at the human figure at the end of the time line of life)
So now you’ve seen all the work that needed to be done on earth before the coming of human life through the time line of life. Before that, the earth was not ready for us and now that we are here, everything is ready to include human beings as part of the story of history.