bipedalism


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  • noun

Words related to bipedalism

the bodily attribute of being bipedal

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References in periodicals archive ?
While the shift to bipedalism appears to have occurred somewhere between 6 and 4 million years ago, Feakins' study finds that thick rainforests had already disappeared by that point-replaced by grasslands and seasonally dry forests some time before 12 million years ago.
Terrestrialisation was identified as the driver of the hominin-panin split, responsible for the appearance of most characteristic hominin features including upright bipedalism.
Such small home ranges could imply that bipedalism evolved for other reasons.
The key trends, about which there is general agreement, are increased ground dwelling and bipedalism, diversification of diet to include a wider range of foods including more emphasis on meat, increased body size and disproportionate increase in brain size, manufacture of stone tools, adaptation to heat stress, foraging over longer distances and a longer period of childhood immaturity and learning.
The most likely individuals to have produced these footprints, which show clear evidence of bipedalism, or walking on two legs, would have been members of the only bipedal species alive in the area at that time, Australopithecus afarensis.
Corballis weighs consequences of bipedalism against the "retreat' of 'gestures .
Charles Darwin was among the first to consider the relationship between stone tool technology and bipedalism," he said.
The prime importance of bipedalism in human evolution was clear, as `the australopithecines clearly establish the fact that locomotor (bipedal) adaptation (and not brain development) is the evolutionary factor splitting man from the apes' (volume 31: 194).
Using carbon isotope analyses on the oldest known, nearly complete skeleton of a hominid, Ambrose indicated that Ardipithecus ramidus took its first steps toward bipedalism not on the open, grassy savanna, but in a wooded landscape.
Ranging across linguistics, philosophy, neurology, primatology, physical anthropology and prehistory, he argues that the `causes' of language, in order of priority, are bipedalism and bias against synonymy.
Lovejoy's explanation for the origin of bipedalism thus comes down to the monogamous pair bond.
Nevertheless there may have been shared features arising from the common attributes of large brains, habitual bipedalism, and significant meat eating.
Foley reviews several alternative hypotheses before favouring an ecological explanation for the origin of bipedalism as an efficient and less thermally stressed mode of locomotion for apes that need to traverse the equatorial grassland habitat.
In fact, one of the earliest defining human traits is bipedalism, the upright gait.
Of course we have the opposable thumb, our bipedalism, language, an asteroid, and other lucky twists of fate to thank as well, but imagination may be "the fragile foundation on which human society is built" (Catherine Brahic).