Anthro2050 1st Edition Lecture 25Outline of Last Lecture I. Humans and Apes Cont.Outline of Current Lecture I. The Human Fossil RecordII. Early HominidsCurrent LectureThe Human Fossil Record:-Timeline of humans and human ancestors: Early Hominids, Australopithecines, Early Homo, Homo erectus, and Neanderthals and Modern Humans-Last common ancestor with humans and chimpanzees estimated around 7 million years ago. In that time, for both species, a lot of change occurred.-The rest of the semester's lectures will focus on each category separatelyEarly Hominids:-Difficult group to study, as there are few fossils, and a lot of them are privately owned. New information is hard to get, yet comes up often enough. This information is just what anthropologists have found so far.-Earliest species Sahelanthropus tchadensis. Specimen remains found estimated 6-7 million years ago. Found in Chad in Central Africa.-tiny brain (320-380cc), severe postorbital constriction, smaller canines, framen magnum pointing down like in humans.-other estimated species' found Orrorin tugenesis and Ardipithecus ramidus-due to the age, fragmentation of bones, and distorted samples, these earliest species are the These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.most difficult to study, but are necessary to understand the divergence of humans from other
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