Darwin's finches: read The Beak of the Finch and the illustration will make a lot more sense. (Hint: it's about evolution). The book won the 1995 Pulitzer for General Non-Fiction. Teams, this belongs on a leadership board.
What Makes Humans Special? Hallmark traits of the human body did not all arise anew in our species. Instead they emerged piecemeal in our forebears over millions of years. Many of these traits seem to.
Ontogeny Recapitulates Phylogeny Recapitulation Theory: the biological hypothesis that in developing from embryo to adult, animals go through stages resembling or representing successive stages in the evolution of their remote ancestors.
Speciation- "The way natural selection leads to the formation of new species." (Johnson, Speciation shows the steps traits took through natural selection that causes significant enough changes to form a new species.