Our Origins: Discovering Physical Anthropology (Fourth Edition)
4th Edition
ISBN: 9780393614008
Author: Clark Spencer Larsen
Publisher: W. W. Norton & Company
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Chapter 11, Problem 3SQ
Summary Introduction
Introduction: The genus Homo comprises modern humans as well as their close relatives. The hominin Homo erectus has appeared around 1.8 million years ago and it was considered as a descendant taxon of earliest hominin Homo habilis.
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Which species has the most robust cheek bones?
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Homo erectus
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Homo rudolfensis
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Homo habilis
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Australopithecus afarensis
African Homo erectus cranial features include
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Which of the following is not true about human and ape skeletons?a. Humans have a long, narrow pelvis.b. A human’s spinal cord exits from the bottom of the skull.c. An ape’s arms are longer than its legs.d. An ape’s spinal column is slightly curved
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- According to "Homo erectus – The First Humans”, what are key features that are shared among the Homo erectus species? A.Larger bodies B.Smaller brains C.Smaller teeth and jaws D.Both A and Carrow_forwardWhy was it significant that the bones were found to be articulated (their bones hadn’t separated from each other)? A. The individuals arrived in the cave either alive or shortly after the died. B. The individuals had decomposed outside of the cave, and other Homo naledi individuals put their skeletons together inside the cave. C. The bodies must have been placed in bags or coffins to keep the skeleton together as the body degraded. D. None of these are correctarrow_forwardClassic Neanderthal limb bones suggest that: A. the Neanderthals probably had limited manual dexterity, which probably accounts for the crudeness of Mousterian (= Middle Paleolithic) stone tools. B. even Neanderthal children had difficulty walking erect. C. the Neanderthals were stocky, heavily muscled people. D. the Neanderthals averaged over six feet tall. E. the Neanderthals had apelike limb proportions, including exceptionally long arms.arrow_forward
- Read the description on the display case featuring Australopithecus afarensis and answer the following questions: a. The thighbone of the A. Afarensis and that of modern human is whereas the thighbone of the chimpanzee is b. Where did A. Afarensis live? c. How tall were females? d. How tall were males? Continue along the right side of this room to find the answers to the following questions: a. What was the nickname of the 1.6-million year old skeleton of an 8-year old boy found near Lake Turkana, Ethiopia?_ b. What was the genus and species name of the first early human species with long legs, short arms and a tall stature?arrow_forwardIn your Introduction to Biological Anthropology class, your instructor asks you to examine a fossil skull and determine which species it is. You note there is a sagittal keel at the top of the skull. Based on this information alone, to which species does the skull belong? A. Australopithecus boisei B. Homo habilis C. Australopithecus garhi D. Homo erectusarrow_forwardWhat is one anatomical difference between Australopithecines and other early hominins, such as Ardi? A. There were no anatomical differences between Ardi and the Australopithecines. B. Ardi had a divergent big toe while the Australopithecines had non-divergent big toes. C. Australopithecines had more facial prognathism than Ardi. D. Australopithecines had larger canines than Ardi.arrow_forward
- What evidence is found in the fossil record that shows that early ancestors of humans walked upright and used bipedal locomotion? Select all that apply. a On the bottom of the skull, there is a place where the backbone attaches. b Fossilized bones of the hip and pelvis are shorter in height. c The feet evolved five toes from three toes. d The backbone was attached to the back of the skull.arrow_forwardAccording to "Homo erectus – The First Humans”, what are the different hypotheses that might explain the stature of Homo floresiensis? A.Island Dwarfism B.They might be descended from Homo habilis or an Australopithecine C.All the individuals had a genetic mutation D.Both A and Barrow_forwardWhile listening to a hominin evolution podcast, the narrator mentions that the overall similarity of Homo erectus fossils from Africa, Asia, and Europe, and through time represents evolutionary statis. What evidence is there that this is not the case? A. The size of the teeth and jaws increased from earlier to later forms. B. There was an overall increase in cranial robusticity from earlier to later forms. C. The thickness of the cranial bone increased from earlier to later forms. D. Brain size increased by approximately 30% from earlier to later forms.arrow_forward
- What do the Homo erectus fossils from Sangiran, Java, demonstrate? A. H. erectus spread to Eastern Asia after spreading to Europe. B. H. erectus fossils are older in Asia than in Africa. C. H. erectus inhabited parts of Eastern Asia prior to living in Western Asia. D. H. erectus spread rapidly eastward from Western Asia.arrow_forwardA human forearm, a horse's front leg, a bat's wing, and a porpoise's flipper have similar bone structure. What conclusions can we draw from the similarities in bone structure between these mammals? a. Such homologies do not exist in other areas of the vertebrate skeleton. b. Similarities among vertebrate forelimbs suggest they evolved from a common ancestor. c. Similarities among vertebrate forelimbs suggest they have evolved convergently. d. The anatomy of the vertebrate forelimb is not currently undergoing natural selection. e. Differences among vertebrate forelimbs suggest that they evolved independently.arrow_forwardIf you found a mandible with a boney chin, it most likely belongs to: A. Australopithecus sediba. B. Homo habilis. C. Homo neanderthalensis. D. Homo sapiens. E. none of the above.arrow_forward
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