Week1.3 australo

Week1.3 australo - arch100 lecture 1.3 1 Today’s Simple Question What Makes us Human When did humans become human A difficult philosophical

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Unformatted text preview: arch100 lecture 1.3 1 Today’s Simple Question ¡ What Makes us Human? When did humans become human? ¡ A difficult philosophical question at the heart of much of the research in human evolution ¡ If we don’t agree that evolution has occurred (eg creationists) then this conversation is tough to have ¡ If we agree that evolution has occurred, we need to agree on some terminology How to name a hominin (the Linnean system of taxonomy): ¡ We are all (in this room) part of the family “Hominidae” ¡ We are all the genus “Homo” ¡ Within each genus there are species, eg. Homo sapiens ¡ a species can have subspecies within it, eg: Homo sapiens sapiens arch100 lecture 1.3 2 Hominin vs. Hominid ¡ Hominid is “old-fashioned” term ¡ Refers to all members of genus Homo, including us and our near ancestors, but not to apes ¡ Hominin is preferred now, based on DNA estimate of branching ¡ refers to all human, chimp, and gorilla members of primates, including fossil members (excludes orangutans and other primates) How to name a hominin correctly: ¡ Australopithecus anamensis Note: ¡ name is in italics or underlined ¡ name is in italics or underlined ¡ Genus in capitals, species in lower case The name game ¡ In the study of fossils to look at human evolution, much of the game is deciding how “human” a fossil is, and then debating the taxonomy, or naming, of it ¡ No one wants to memorize all these names, but they are important to understanding what is being debated arch100 lecture 1.3 3 Paleoanthropology ¡ Evolution of hominins over 6 million years ¡ Looking at material remains of hominin bones, artifacts they left behind...
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This note was uploaded on 02/06/2011 for the course ARCH 100 taught by Professor Catherined'andrea during the Spring '08 term at Simon Fraser.

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Week1.3 australo - arch100 lecture 1.3 1 Today’s Simple Question What Makes us Human When did humans become human A difficult philosophical

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