Final answer:
The Rising Star cave system in South Africa is the paleoanthropological site where approximately 30 Homo naledi fossils were found, indicating complex behaviors such as intentional body disposal in one of the earliest Homo species.
Step-by-step explanation:
The largest single group of ancient Homo fossils, amounting to approximately 30 individuals, was discovered at the paleoanthropological site of the Rising Star cave system in South Africa. This site is where the Homo naledi species was found, a species that had an average height of about 5 feet and a weight of around 100 pounds. It supports the notion that some early members of the Homo genus intentionally secluded their dead, indicating behavioral complexity.
It is worth noting that this site provides one of the most extensive collections of early Homo species fossils in the world. The retrieval of these ancient fossils presented a unique challenge due to the cave's narrow passageways, which required specifically recruiting slender researchers who were capable of navigating the tight spaces to excavate the bones.
This behavior of deliberate body disposal was once thought to be limited to later humans, but the findings at the Rising Star cave propose a much earlier origin for such complex behavior. The fossils remain a topic of significant scientific interest, with paleontologists suggesting that there are likely many more fossils yet to be discovered at this site.