Sentences with phrase «early human populations with»

In fact, early human populations with much less advanced technologies had far larger individual land footprints than societies have today.

Not exact matches

«This means that modern humans emerged earlier than previously thought,» says Mattias Jakobsson, population geneticist at Uppsala University who headed the project together with Stone Age archaeologist Marlize Lombard at the University of Johannesburg.

Ash Parton and colleagues fall into the second camp, writing, «The dispersal of early human populations out of Africa is dynamically linked with the changing climate and environmental conditions of Arabia.

iSAFE identified identical mutations in multiple non-African populations in 5 regions associated with skin pigmentation, suggesting an early response to the onset of selection as humans migrated out of Africa.

Early modern humans interbred with Neanderthals, but thanks to our bigger population evolution has purged out many of the deleterious genes we acquired this way

The site was of particular interest to population geneticist Andrea Manica of the University of Cambridge in the United Kingdom because the skeletons of five humans were found with pottery, harpoons, and the remnants of nets and mats woven from twisted blades of wild sedge grass — which some (but not all) researchers consider a rudimentary form of early agriculture.

Templeton concludes that the humans who departed from Africa probably interbred with other early humans in Europe and Asia, contradicting the widely held notion that the Africans wiped out existing populations as they moved.

Other archeological and fossil evidence, Cooke says, suggests the earliest human populations in Jamaica were foragers who lived off of available local resources, together with some cultivation of native island and mainland plants.

Humans have influenced nature since as early as the Ice Age, and over the past century our impact has become even greater with our many new technologies and a growing world population.

In fact, claims that size variation in Australopithecus and / or Paranthropus was larger than that in recent human populations include inferences on sexual dimorphism (Richmond and Jungers, 1995; Plavcan et al., 2005; Lockwood et al., 2007; but see Reno et al., 2003), whereas arguments referring to early Homo are usually associated with eco-physiological variants (Antón et al., 2014; Di Vincenzo et al., 2015).

The model suggests that outbreaks are more likely in urban areas with higher human and mosquito population densities, in years with longer growing seasons, when infected travelers arrive early in the growing season, and when tiger mosquitos have fewer non-human hosts that result in wasted bites.

Treatment with AFF 1 or vehicle control was initiated in mThy1 - AS mice at age 3 mo, when early sensorimotor deficits first appear — similar to the target population for the first rollout of the human vaccine.

The earliest known population of humans outside of Africa has been found, with huge implications that could erase species from the human family tree.

She was a 2014 — 2015 Julius B. Richmond Fellow, and has focused much of her research on human development, early childhood care and education, and the general well - being of families with young children, with a focus on children and families from low - income, minority, and under - served populations.

Cats on FL might have been present since the early 19th century with a small settlement established by sealers, later used to exile the remnants of the Tasmanian aboriginal human population.

Between 2000 and 2011, the provincial BC government, with the assistance and oversight of the Human Early Learning Partnership at UBC Vancouver, completed four population - based assessments of developmental health.