Merrilee Guenther states that the fossil records show the beginning of primate evolution following the extinction of dinosaurs. During the Eocene period, evidence suggests primate diversification; more modern primates established during the Miocene period. Robert Martin discusses gaps in the fossil records and cites features on early primates.
Guenther states that the hominoid tree began branching in the Miocene period; she discusses characteristics. The common ancestor of chimps, apes, and humans evolved in the late Miocene. Robert discusses the proconsul and its skull features; see a skull found by Louis Leakey.
Martin discusses natural selection and cites human birthing time as an example of negative evolution; cesarean section is increasingly used.
Martin states that human evolution began in Africa; Sahelanthropus is the earliest known species. Guenther states that three concurrent species of the genus Homo existed 30,000 years ago; Homo erectus was the first Homo species to leave Africa. A hominid fossil found in Dmanisi dates back 1.7million years.
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Studies of the fossil record reveal evolutionary developments in early primates, including Miocene hominoids. This program examines the concept of biocultural evolution relative to other great apes and highlights the dispersal of Genus Homo throughout Africa, Indonesia, China, and Europe.
Length: 19 minutes
Copyright date: ©2012
Prices include public performance rights.
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