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 10, Problem 1ER
Summary Introduction
To explain: The two fundamental behaviors of pre-australopithecines and to summarize the anatomical characteristics found in the early hominin species indicating these behaviors each.
Introduction: Hominin is a term used frequently to indicate the human lineage’s extinct members. The pre-australopithecines were found to be the earliest hominins according to the fossil record and they lived around 7 to 4 million years ago.
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Describe three derived characteristics of mammals which are advantageous to the occupation of a variety of habitats. Identify three novel characteristics that distinguish hominins from other apes and mammals.
Briefly discuss at least two possible explanations for why bipedalism may have initially developed, and clarify at least two ways in which bipedalism paved the way for further important developments in hominin evolution
Explain the issues with classification of early hominins, and describe early hominin tools, their uses and their characteristics.
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Our Origins: Discovering Physical Anthropology (Fourth Edition)
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- list TWO similarities between early members of the genus Homo (e.g. H. habilis) and Homo erectus/ergaster that earlier hominins (e.g. gracile Australopithecines) do not have?arrow_forwardDescribe various primitive traits associated with early homininsarrow_forwardDescribe and discuss the importance of at least three specific skeletal features (these can be either cranial or post-cranial) that are unique to early hominins, that distinguished them from the ancestors of modern chimpanzees in 150 words?arrow_forward
- State the four trends of hominin mosaic evolution and explain the pattern of human evolution considered in reference to these trends.arrow_forwardDescribe the various hominin adaptations associated with bipedalismarrow_forwardCompare the behavior and anatomical characteristics of early and later homininsarrow_forward
- Explain the issues with classification of early hominins.arrow_forwardDescribe the physical characteristics of early hominins and howthey differ from modern humansarrow_forwardWhich of the following is one of the main tendencies observed in early hominins, such as australopithecines? A. Decrease in the number of incisors B. Reduced canine size C. Increased facial prognathism D. Increased diastemaarrow_forward
- Several hypotheses have been proposed as explanations for hominin evolution and the emergence of bipedalism. Which hypothesis do you think provides the most convincing explanation? Explain your answer.arrow_forwardDefine a Hominin and their characteristicsarrow_forwardWhat are hominins? From the perspective of paleoanthropology, what are the main ways that hominins differ from our closest primate relatives the apes? What key physical features help anthropologists identify whether or...arrow_forward
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