Sentence examples for allowed human populations from inspiring English sources

Although this transformation, with the genetic change leading to the behavioral change, occurred in Africa, Dr. Klein writes, it allowed "human populations to colonize new and challenging environments".

The strong links to domestic animals for the temperate diseases is tied to the rise of agriculture, 11,000 years ago, which allowed human populations to survive and pass on the diseases and brought these populations into frequent contact with source animals.

Access to huge amounts of chemical energy trapped in fossil fuels allowed human populations to explode and allowed human effects to really go global.

The analogies between aphid husbandry in L. flavus and human cultural practices are quite striking as farming husbandry allowed human populations to sustain themselves at much higher densities than hunter-gatherer populations [ 46].

Recent research reveals how evolution has allowed different human populations to take advantage of the nutritional possibilities of dairying.

A safety factor of 100 was arbitrarily set, but was originally assumed to cover interspecies (animal-to-human) variability, and inter-individual (human-to-human) variability, which allowed sensitive human populations to be compared with healthy experimental animals.

Yet despite this, many species were extremely successful during the Holocene until technological advances allowed humans to severely affect their population size; once again, American bison are an obvious example.

In order to minimize the displacement of people from their homes or countries, Level Two Areas will allow sustainable human populations to live on them.

Lactating animals had to be tamed to allow human beings to milk them by hand, and human populations also had to adjust physiologically by continuing as adults to secrete the enzymes children need to digest their mother's milk.

Allowing for human population growth, we applied the Tajima's D test on the background of different magnitudes of population growth and the growth beginning at different times simulated by the algorithm of Rogers (1995) [15].

2 Although our model is general enough to allow the human population to be differentiated down to an individual level, 1 here we model the intervention strategies by dividing the human population into groups that either have the intervention or do not have it.