“Mom, do we know any ancestors of ours who were monkeys?”
“No, son. But I do know a hill giant.”
Actually, this discussion came up after the boy and I watched the “Alien From Earth” documentary on PBS, which details the recent discovery of hobbit-size adult human skeletons in Indonesia. The documentary details how different the hobbits were physiologically from humans, particularly in the wrists and in the shape and size of the little hobbitish brain, suggesting they were a completely different hominid species and opening questions not only about how they got here but also about the evolution of humans.