He says that LB1 evolved from an isolated Homo
erectus group who developed smaller bodies to cope with the island's limited resources.
He points out that Lordkipanidze's analysis suggests even the much more ape - like hominins in the genus Australopithecus belong to the H.
erectus group.
Based on experimentally derived estimates of body mass from the Ileret hominin tracks, the researchers have also inferred the sexes of the multiple individuals who walked across footprint surfaces and, for the two most expansive excavated surfaces, developed hypotheses regarding the structure of these H.
erectus groups.
Not exact matches
That we could interbreed with a truly distinct
group again suggests a common ancestor for H. neanderthalis and H. sapien, particularly in the context of the temporal and geographical relationships these two
groups have with H.
erectus and H. heidelbergensis.
Groups related to modern humans — including Homo
erectus and the Neanderthals — trekked out of Africa considerably earlier, but the new analysis suggests they did so naked.
Using novel analytical techniques, they have demonstrated that these H.
erectus footprints preserve evidence of a modern human style of walking and a
group structure that is consistent with human - like social behaviours.
Researchers from the Max Planck Institute for Evolutionary Anthropology in Leipzig, along with an international team of collaborators, have recently discovered multiple assemblages of Homo
erectus footprints in northern Kenya that provide unique opportunities to understand locomotor patterns and
group structure through a form of data that directly records these dynamic behaviours.
Another is that a
group of larger bodied hominins — H.
erectus — reached the island of Flores about 1 million years ago only to shrink because of a lack of predators and scarce resources, a process called island dwarfing.
He has analyzed genetic relationships among diverse
groups of people and finds that today's humans show evidence of interbreeding among Homo
erectus, Homo sapiens, and other early hominids over a wide span of time, from as far back as 1.5 million years ago until the last hypothesized global migration, around 80,000 years ago.
Now he spends few years looking, you know, suffering malaria and all sorts of things but he eventually gathers a pretty reliable
group of workmen and on Java about four years into this, they find a molar skullcap and a thigh bone of what we call today Homo
erectus.
In this model, known as multiregionalism or continuity with hybridization, hominins descended from H.
erectus in Asia interbred with incoming
groups from Africa and other parts of Eurasia, and their progeny gave rise to the ancestors of modern east Asians, says Wu.