On the evolutionary scale, man (Homo sapiens) is one of five species of great apes. All descended from the same ancestor and each arose at a certain time in the planet’s history. Check this chart summarizing previsions made on the chronology of emergence of great apes.
GAP is an international movement whose main objective is to fight for the basic rights to life, liberty and non-torture of non-human great apes - Chimpanzees, Gorillas, Orangutans and Bonobos, our closest relatives in the animal kingdom.