Sentences with phrase «distinct human species»

Not exact matches

Whereas St. Thomas» natural law account began from the assumption that all human beings belonged to the same species (and were therefore all subject to the same moral demands), Darwin tried to determine whether human races should be considered distinct species.

In fact, human infants actually remain helpless longer than infants of any other species and, like some marsupials, must also go through a distinct period of gestation outside of the womb.

For some period after that initial dispersal, the human groups — now divided geographically — were evolving into distinct species.

«Small but distinct differences among species mark evolution of human brain.»

The probe from DeLong and Hinrichs, on the other hand, had worked right away: The Hydrate Ridge sediments were loaded with their methane eater, which is not a bacterium at all but a species of Archaea, an ancient group of microbes that diverged from bacteria billions of years ago and are as distinct from them now, genetically speaking, as humans are.

«We were surprised by the results, because we expected a substantial fraction of the genome of the red wolf and eastern wolf, maybe 20 % to 30 %, would be derived from a long - distinct species, much as about 1 % to 4 % of [human] Eurasian genomes derive from Neanderthals,» said Wayne.

In addition, some of the oldest Flores remains date back before modern humans were thought to be in the area, which suggests that Flores Man was a distinct species.

The DNA data suggest not one but at least two instances of interbreeding between archaic and modern humans, raising the question of whether Homo sapiens at that point was a distinct species (see sidebar).

Because different species may leave distinct chemical signatures in the soil that could in turn affect how vegetation grew at the site, it only made sense to test the technology on humans.

The distinct pattern of Aβ peptides observed in rat CSF compared to human CSF (which includes more species, ranging from 1 — 12 to 1 — 42) may reflect differences in the γ - secretase complex or differential Aβ clearance patterns between human and rodent species.

H. floresiensis lived on the island of Flores, however, so isolation at that location could help to explain how it remained a distinct species of human.

Yet we are dismayed by his disregard for the most basic scientific findings regarding the human embryo, namely, that from the single - cell stage of development onward, the human embryo is a distinct, determinate, self - directing, integrated, human organism — a living member of the human species who, if given a suitable environment, will move along the seamless trajectory of biological development toward maturity.

There are not five ways that people behave based on their life situations, or wounding, there are five very distinct spiritual species of human beings, or «soul» qualities in individuals that react in five general ways to the challenges of living a human life!

This is a rather unique doomed world that's distinct from other post-apocalyptic scenarios in its lack of flora and fauna and emphasis on the degeneration of the human species.

Continuing an investigation into evolution and the divide between animals and humans, Conley's project for ArtPace centers on a species of frog and its distinct mating call.

Clearly, the loss of biodiversity (estimated at thousands of times the natural backgroud rate), the number of well known species that are threatened (10 - 40 % depending on taxonomic group), the loss of 10,000 - 30,000 genetically distinct populations per day (see Hughes et al., 1997) massive declines of groundwater, soil productivity and fertility, etc. as well as the fact that human activities now impact biogeochemical cycles over huge spatial scales is sufficient evidence that our species is living off of natural capital, rather than income.

Humans might be forgiven for believing that they are the only species that engages in a level of social learning complex enough to form distinct cultures, generating things like language and art.

The integration of animal and human literature will lead to a better comprehension of maternal response and behaviour and will afford us more scientific understanding of its distinct and common expression in all species that engage in it.