Name the early hominid genus / species with a postcranial anatomy is mosaic, suggesting a transitional form of bipedalism with characteristics such as an opposable hallux; long arms, curved phalanges and a mosaic pelvis: Homo habilis. Ardipithecus ramidus. Homo erectus. Australopithecus garhi.
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This potential early hominin genus was named by Tim White in 1994 based on fossil remains from the Middle Awash area of Ethiopia. It lived from 5.7 to 4.4 million years ago and had a divergent big toe, a feature not found in later hominins. Named in 2001 based on fossil remains from the site of Lukeino, this potential hominin genus dates to 5.9 to 5.7 million years ago. It has been claimed to be a hominin based largely on the anatomy of its femoral head and femoral neck. This hominin genus was named by Dart in 1925. It lived in East and South Africa from roughly 4.2-2.0 million years ago and had a mix of ape-like (small cranial capacity, long upper limbs) and human-like (bowl-shaped pelvis, valgus knee) features. This potential hominin genus was named in 2002 based on a 7 million-year-old cranium nicknamed "Toumai" that was found in the Djurab Desert of Chad. It is thought to be a hominin based on its small canines and the anterior position of its foramen magnum. This hominin genus had robust craniodental anatomy including post-canine megadontia and robust mandibles. It was named by Broom in 1938 and lived from 2.7-1.3 million years ago in East and South Africa.
Madhur L.
Which of the following recent fossil discoveries dating between 4.4 – 5.8 mya was clearly bipedal as reflected by features of the hip and thigh bone, but still had long, curved toes and an opposable big toe set off to the side (i.e., with a saddle joint like a thumb), leading human paleontologists to suggest that the fossil species is relatively close to our last common ancestor with other African apes? Orrorin tugenensis Archaic Homo sapiens Homo sapiens neanderthalensis Homo habilis Homo erectus
Jennifer S.
Marlyn J.
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