Keyword Analysis & Research: australopithecus afarensis body size
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Australopithecus afarensis | The Smithsonian Institution's Human
https://humanorigins.si.edu/evidence/human-fossils/species/australopithecus-afarensis
WEBJan 3, 2024 · Height: Males: average 4 ft 11 in (151 cm); Females: average 3 ft 5 in (105 cm) Weight: Males: average 92 lbs (42 kg) ; Females: average 64 lbs (29 kg) Overview: Australopithecus afarensis is one of the longest-lived and best-known early human species—paleoanthropologists have uncovered remains from more than 300 individuals!
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Australopithecus afarensis, Lucy's species - Natural History Museum
https://www.nhm.ac.uk/discover/australopithecus-afarensis-lucy-species.html
WEBAustralopithecus afarensis facts Lived: 3.7 million to three million years ago; Where: East Africa Appearance: a projecting face, an upright stance and a mixture of ape-like and human-like body features; Brain size: about 385-550cm 3 Height: about 1-1.7m (females were much shorter than males)
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Australopithecus afarensis - The Australian Museum
https://australian.museum/learn/science/human-evolution/australopithecus-afarensis/
WEBBody size and shape. females grew to only a little over one metre in height (105 – 110 centimetres) and males were much larger at about 150 centimetres in height; rib cage was cone-shaped like those of apes; Brain. brain was small, averaging approximately 430 cubic centimetres and comprised about 1.3% of their body weight
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Australopithecus afarensis - Wikipedia
https://en.wikipedia.org/wiki/Australopithecus_afarensis
WEBIn 1991, American anthropologist Henry McHenry estimated body size by measuring the joint sizes of the leg bones and scaling down a human to meet that size. This yielded 151 cm (4 ft 11 in) for a presumed male (AL 333–3), whereas Lucy was 105 cm (3 ft 5 in). [37]
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Body Size, Body Shape, and the Circumscription of the Genus
https://www.journals.uchicago.edu/doi/full/10.1086/667360
WEBFrom this, the mean body mass of Australopithecus afarensis is estimated at ca. 41 kg, while those of Australopithecus africanus, Australopithecus (P.) robustus, and Australopithecus (P.) boisei are slightly smaller, at ca. 37.3, 37.0, and 38.5 kg, respectively.
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New footprints from Laetoli (Tanzania) provide evidence for marked body
https://elifesciences.org/articles/19568
WEBDec 14, 2016 · Evidence for either marked or moderate body-size variation in Au. afarensis, based on data collected in a single site, was limited until now to the fossil assemblage from the Hadar 333 locality, dated to 3.2 Ma (with body masses ranging from 24.5 to 63.6 kg). The new estimates for the Laetoli individuals indicate an even more …
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Reappraising the palaeobiology of Australopithecus | Nature
https://www.nature.com/articles/s41586-023-05957-1
WEBMay 3, 2023 · Social and demographic structure in Australopithecus remains poorly understood, but the presence of considerable dimorphism in body size, at least in A. afarensis, suggests some level of...
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Sexual dimorphism in Australopithecus afarensis was similar to ... - PNAS
https://www.pnas.org/doi/10.1073/pnas.1133180100
WEBJul 23, 2003 · The substantial fossil record for Australopithecus afarensis includes both an adult partial skeleton [Afar Locality (A.L.) 288-1, “Lucy”] and a large simultaneous death assemblage (A.L. 333). Here we optimize data derived from both to more accurately estimate skeletal size dimorphism.
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Sexual dimorphism in Australopithecus afarensis was similar …
https://www.pnas.org/doi/pdf/10.1073/pnas.1133180100
WEB(44.6 kg 18.5 for males; 29.3 kg 15.7 for females) relied on only three putative females, two of which are among the smallest specimens recorded for the species (6). Even so, because of small sample size, the 95% confidence limits still include monomor-phism (3).
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Patterns of size sexual dimorphism in Australopithecus afarensis
https://www.sciencedirect.com/science/article/pii/S0018442X05000478
WEBDec 8, 2005 · This paper examines two questions: (1) whether sexual dimorphism in a selected sample of skeletal elements of A. afarensis is the same as that in living humans, chimpanzees, or gorillas, and (2) whether different skeletal elements reflect variation in sexual dimorphism in the same way.
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