In addition to the lower body workouts discussed here, there are a variety of lower-back, abdominal and upper body exercises that will increase your strength and improve your form. Coupling these sport-specific exercises with regular speed work will give you even more dramatic improvements in running speed.
What is a species that of hominid that still exist today? The only species that of hominid that still exist today is homosapiens sapiens (us). The bonobo chimpanzee appears to be our closest living relative,but is not a hominid.
In Richard Leakey's account of hominid evolution, Homo habilis was an ancestor of modern humans. Habilis clearly had a much larger brain than the australopithecines, but the rest of its body is more like them: it was a fairly small creature, maybe 4 foot 6 or so, with long arms, more ape-like than other hominids.