Sentences with phrase «on early human populations»

The study also uncovers several other major findings on early human populations.

Not exact matches

Previous research suggests our ability to cooperate and exhibit empathy — both thought to be critical to human success — relied in part on the large brains of our hominin ancestors, relative to body size; and that selection against aggression within early human populations allowed us to thrive.

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).

To capture the early spatial patterns of a newly emergent virus in swine populations prior to extensive geographical mixing, this study focused on an H1 influenza virus that was introduced twice from humans into swine around 2003.

Studies show that the San carry some of the most divergent (oldest) Y - chromosome haplogroups, specific sub-groups of A and B, the two earliest branches on the human Y - chromosome tree, suggesting they may be descendents of a population ancestral to all modern humans.

«Dawn of the Planet of the Apes «centers on a growing nation of genetically evolved apes led by Caesar is threatened by a group of human survivors following the devastating virus unleashed a decade earlier that killed large part of the human population.

As Malcolm's girlfriend Ellie (Keri Russell) and his son Alexander (Kodi Smit - McPhee) attest to, the characters here have witnessed the human population being decimated and humans turning on each other («Humans destroyed each other,» Caesar notes earlhumans turning on each other («Humans destroyed each other,» Caesar notes earlHumans destroyed each other,» Caesar notes early on).

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.

It seems to me the ecological challenges presented to the human community in these early years of Century XXI are necessary matters for discussion; however, our failure to acknowledge in open discussion «the human population factor» as a primary, driving force, one that is precipitating the ecological challenges visible on the far horizon, is making our best efforts insufficient.

Potential impacts of climate change on the transmission of Lyme disease include: 1) changes in the geographic distribution of the disease due to the increase in favorable habitat for ticks to survive off their hosts; 85 2) a lengthened transmission season due to earlier onset of higher temperatures in the spring and later onset of cold and frost; 3) higher tick densities leading to greater risk in areas where the disease is currently observed, due to milder winters and potentially larger rodent host populations; and 4) changes in human behaviors, including increased time outdoors, which may increase the risk of exposure to infected ticks.

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.