Models of Speciation: modes and tempos

Jonathan Karpf

April 2, 2017

The presenter will address the evidence for competing models of where new species – including our own – come from, including evolution within a lineage vs. splitting of a line, geographic isolation vs. adaption to different aspects of the range, gradualism vs. punctuated equilibrium, with a specific focus on the emergence of Homo sapiens from a Homo ergaster ancestor.

Jonathan Karpf is a biological anthropologist trained at UC Berkeley and who has been teaching at San Jose State University in the Department of Anthropology since 1987.

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