
Ardi - Wikipedia
It is the most complete early hominid specimen, with most of the skull, teeth, pelvis, hands and feet, [1] more complete than the previously known Australopithecus afarensis specimen called "Lucy". In all, 125 different pieces of fossilized bone were found. [2]
Anti-Racism, Diversity, and Inclusion (ARDI) Initiative
2025年2月25日 · The Board’s motion boldly articulated that ARDI create an anti-racism policy agenda to guide, govern, and increase the County’s ongoing commitment to fighting racism in all its dimensions across Los Angeles County.
Ardipithecus ramidus - The Smithsonian's Human Origins Program
2024年1月3日 · Ardipithecus ramidus was first reported in 1994; in 2009, scientists announced a partial skeleton, nicknamed ‘Ardi’. The foot bones in this skeleton indicate a divergent large toe combined with a rigid foot – it's still unclear what this means concerning bipedal behavior.
Ardi | Discovery, Facts & Species | Britannica
Ardi possesses a small cranial cavity comparable to that of a chimpanzee (Pan troglodytes) and has long arms and fingers, opposable great toes, and relatively small canine teeth that do not project and sharpen like those in apes.
Ardipithecus ramidus - Wikipedia
Ardipithecus ramidus is a species of australopithecine from the Afar region of Early Pliocene Ethiopia 4.4 million years ago (mya). A. ramidus, unlike modern hominids, has adaptations for both walking on two legs (bipedality) and life in the trees (arboreality).
Ardipithecus - Wikipedia
Ardipithecus is a genus of an extinct hominine that lived during the Late Miocene and Early Pliocene epochs in the Afar Depression, Ethiopia.
A Skeleton Named 'Ardi' - The Smithsonian's Human Origins …
2010年3月16日 · For details about the "Ardi" fossil shown here on the October 2009 cover of Science, please visit the links listed below.
Long-Awaited Research on a 4.4-Million-Year-Old Hominid Sheds …
2009年10月1日 · Fifteen years in the making, a dossier of papers on "Ardi" published in Science suggest that like humans, chimpanzees have undergone substantial evolutionary change.
How Humanlike Was "Ardi"? - Scientific American
2009年11月19日 · Because the traditional hallmark of an early human has been the adaptation for upright walking, much of the debate over Ardipithecus 's status hinges on how her lower body bones fit together—in...
Ardipithecus ramidus - Science
2009年12月18日 · Now comes Ardi, a 4.4-million-year-old female who shines bright new light on an obscure time in our past. Her discoverers named her species Ardipithecus ramidus, from the Afar words for “root” and “ground,” to describe a ground …