Sentences with phrase «australopithicus afarensis»

«In my opinion, afarensis is a very good transitional species for what was before four million years ago and what came after three million years,» Dr Alemseged told BBC science correspondent Pallab Ghosh.

How do Adam and Eve relate to what we have learned about the evolution of modern humans from Australopithecus afarensis and Homo habilis?

Blame Australopithecus afarensis..

There are many transitional fossils: reptiles to birds (like Sinosauropteryx, Caudipteryx, Protarchaeopteryx), mammal to whale fossils (whale fossils have been found with legs, like Rodhocetus and Basilosaurus), and yes, even ape - to - human fossils (like Australopithecus afarensis, Homo habilis, and Homo erectus).

You can also look at Australopithecus afarensis, Tiktaalik, Runcaria, Darwinius, or any of a hundred others.

From top to bottom: Australopithecus afarensis (4 - 3 million years; ~ 40 kg, 130 cm); Homo ergaster (1.9 - 1.4 million years; 55 - 60 kg; ~ 165 cm); Neanderthal (200.000 - 30.000 years; ~ 70 kg; ~ 163 cm).

This involved casting a number of foot bones known for A. afarensis, including a partial foot skeleton, in a shrinkable material, and shrinking them to Lucy's size.

The supposed ancient butchers in question were members of the same species as the famed fossil Lucy: Australopithecus afarensis, a hominid that lived in Ethiopia's Afar region between 3.9 and 2.9 million years ago.

Another possible link is a more ape - like creature that lived around 3 million to 4 million years ago: Australopithecus afarensis, which walked upright but stood only just over a metre tall and had a puny brain.

Upper - body evidence notwithstanding, he says, the anatomy of A. afarensis shows that its ability to climb trees was compromised.

Fossils from A. afarensis date to between 3.7 and 3 million years ago, so the two species would have overlapped (though Lucy herself may have lived too recently to see one).

Dr. Lewis wanted to be a paleoanthropologist working in East Africa since he was 13, when he read a book about the famous Lucy skeleton of Australopithecus afarensis.

Furthermore, these ancient butchers were not members of our own genus, Homo, but the more primitive Australopithecus, specifically A. afarensis, the species to which the celebrated Lucy fossil belongs.

The 3.2 - million - year - old skeleton was the most complete example of Australopithecus afarensis ever found.

Take our ancestor Lucy (Australopithecus afarensis), who stood less than four feet tall, swung from tree branches, and ran easily along the ground on two feet more than 3 million years ago.

In 2008, anthropologist John Kappelman and colleagues at the University of Texas at Austin scanned the partial skeleton of Lucy, the famous 3.18 million - year - old Australopithecus afarensis discovered in 1974.

«Lucy's baby», an Australopithecus afarensis girl who lived 3.3 million years ago, had a hyoid bulla; but by the time Homo heidelbergensis arrived on the scene 600,000 years ago, air sacs were a thing of the past.

BIG MARKS Footprints of the largest known Australopithecus afarensis, dating to nearly 3.7 million years ago, have been found in hardened volcanic ash at Tanzania's Laetoli site.

Using super high - resolution CT scans, Kappelman originally planned to learn more about Lucy's movement and lifestyle — researchers have long debated how much time, if any, A. afarensis spent in trees.

«Australopithecus afarensis was essentially a terrestrial animal.»

Or maybe hobbits had descended from Australopithecus afarensis — Lucy's kin — since that species was a highly adaptable biped that spread over great masses of African land.

The cut marks had clearly been made using a sharp stone, and they were at a site that was used by Lucy's species, Australopithecus afarensis.

Now Selam is further illuminating whether A. afarensis spent all its time on the ground or, like an ape, still lived a partially arboreal life, as Wong describes, starting on page 78.

Until now, Little Foot was considered a more recent species than Lucy, the famous 3.2 - million - year - old Australopithecus afarensis from Ethiopia often cited as our direct ancestor.

afarensis could walk but not run, or vice versa.

afarensis had forelimbs that were ape - like, including long, curved fingers used to forage daily in the arboreal canopy, and that its immediate ancestors must have knuckle - walked.

afarensis has been widely interpreted as being so primitive that it probably could not have extended either its hip or knee joints and was a clumsy upright walker.

afarensis had a grasping apelike foot.

Was it 4 million years ago, when Australopithecus afarensis waddled through the mud in eastern Africa?

Pickford and Senut believe that Orrorin had already evolved more humanlike femurs and teeth than A. afarensis, a species that includes the famous skeleton Lucy.

After studying casts of the Laetoli prints for decades, scientists decided that A. afarensis, though a primitive hominin, walked with a surprisingly modern gait that was not like an ape's.

Most experts agree that our genus evolved from a species of Australopithecus — either A. afarensis (Lucy's species) or A. africanus.

The body dimensions used in the model — 30 kg for females, 55 kg for males — were based on a group of early human ancestors, or hominins, such as Australopithicus afarensis, the species that includes the famous Ethiopian fossil «Lucy.»

They identified one as a canine with a striking resemblance to the teeth of Australopithecus afarensis, a hominin that lived in Africa around 3 million years ago and gave us the famed «Lucy» fossil.

The well - known Australopithecus afarensis fossil we call Lucy, for example, lived a little over 3 million years ago in Ethiopia's Afar region, roughly 700 miles northeast of Lake Turkana.

The study offers new insight into the mysterious death of one of paleoanthropology's most iconic individuals, and the scientists involved say it may give clues to how much time her species, Australopithecus afarensis, still spent in the trees.

He thinks all the variation seen — even in the latest find — could just be diversity within Australopithecus afarensis.

The ancient toddler shows key anatomical features of A. afarensis, including a shoulder blade midway in shape between that of a human and a gorilla, along with features rarely seen, like a full set of both baby and adult teeth.

Ardi's hip arrangement doesn't appear in two later fossil hominids, including the famous partial skeleton known as Lucy, a 3.2 - million - year - old Australopithecus afarensis.

«This means that everything that has been written about variation, function and the anatomy of Australopithecus afarensis from fragmentary remains must now be in doubt.»

It might also settle an ongoing dispute about how to interpret a wide variation seen in A. afarensis bones, with some saying the differences are too great for it to have been just one species.

Lucy is small compared with other specimens of Australopithecus afarensis found at the same site.

Fossils of a new species of Australopithecus have been found near the site of Lucy's species, Australopithecus afarensis, suggesting the two species interacted

It lived in what is now the central Afar region of the East African Rift Valley around 3.3 million years ago, only 35 kilometres north of known Australopithecus afarensis sites.

For decades, palaeoanthropologists have been debating whether Lucy's species, Australopithecus afarensis, was the lone hominin living in eastern Africa at the time.

A. afarensis and A. africanus displayed pelvic arrangements for upright walking, but not for Ardi's apelike climbing power.

Because if you look at afarensis, Lucy's species, that's got a heel that's like a modern human's.»

Now, a 3.2 - million - year - old foot bone from a member of Lucy's species, Australopithecus afarensis, reveals that this hominin was no flat foot: It had already evolved arches and a stiff midfoot similar to living humans.

But paleoanthropologist Jeremy DeSilva of Boston University says that the new foot bone, along with a «laundry list of other features of the lower limb» make it more likely that A. afarensis was a «terrestrial biped with little time spent in the trees.»

The bone also shows that A. afarensis had abandoned the flexible midfoot that apes use to grasp tree branches, in favor of an arch that makes upright walking more efficient.