Define:
Hominid -
Hominin -
Primate -
Hominid: Any of a family (Hominidae) of erect bipedal primate mammals comprising recent humans together with extinct ancestral and related forms.
Hominin: Any of a tribe (Hominini) that comprises African apes and humans and their immediate ancestors including Australopithecus, Paranthropus, and .
Primate: A mammal of an order (Primates) that includes humans, apes, monkeys, and related forms, with a characteristic five-fingered hand, a rotating wrist joint, flexible arms, and binocular vision.