. . . [S]ome pornography sites contain the best visual images of human body parts, and a great deal of those sites have interactive learning materials designed to help others emulate effective reproductive strategies. I daresay, some pornographic websites even illustrate the interface of technology and biology, and in this day and age all pupils should understand that. For really advanced Biology classes, specialized websites might even treat the subject of the folly of inter-species mating. . . .