WebA) Robust Australopithecines have large jaws, huge molars, and a saggital crest for attachment of jaw muscles. B) Robust Australopithecines are about the same size as the gracile forms (females weigh about 70 lbs vs. 65 lbs for A africanus and A. afarensis). But they have larger brains (530 cc vs. 400-430 cc.).
Solved What are the differences in gracile vs. Chegg.com
Webto distinguish them from the "gracile" australopithecines. The first robust australopithecine to be discovered was found by Robert Broom in 1949 in South Africa and was namedParanthropus robustus. Since then however, debate has raged on concerning the validity of the species nameParanthropus. WebThese results were compared with data available for the ‘gracile’ australopithecine, A. africanus, and two ‘robust’ australopithecine taxa, A. boisei and A. robustus. The differences in canine and molar size which occur between the ‘gracile’ taxon and the two ‘robust’ taxa do not correspond to any of the trends in the ... first timer 23
Australopithecus Characteristics & Facts Britannica
WebRobust vs. Gracile Australopithecines Characteristics Robust Australopithecines - having a more robust heavy body with strong large jaw 1. b.) Australopithecus robustus (2.0 mya) 2. d.) Australopithecus boisei (2.3-1.2 mya) 3. … WebSurvivorship curves for the two types are constructed. In addition, the survivorship curve for the australopithecine sample is compared to one group of pre-urban Homo sapiens and found to be much the same, if it is assumed the young australopithecines are not adequately represented. A proposed birth model is presented and it is concluded that ... WebDespite their robust heads, they had comparatively small bodies. Average weight and height are estimated to be 40 kg (88 lb) at 132 cm (4 ft) for P. robustus males, 50 kg (110 lb) at 137 cm (4 ft 6 in) for P. boisei males, 32 kg (71 lb) at 110 cm (3 ft 7 in) for P. robustus females, and 34 kg (75 lb) at 124 cm (4 ft 1 in) for P. boisei females. first time qr code users