Questions. (Maximum of 100 words per response) 1. What are some key features of Family Hominidae? How does this classification differ from the Hominin group? (2 marks) Hominidae: Hominidae includes the great apes – that is the orangutans, gorillas, chimpanzees, bonobos and human beings which are very smart creatures and are among the only animals to have opposable thumbs and also opposable toes (apart from humans). Hominin: Humans and their ancestors (Homo habilis, Homo erectus etc.).