Here are the links to today's activities
Part I
http://wps.prenhall.com/esm_freeman_biosci_1/0,6452,499512-,00.html
Part II
http://www.pbs.org/wgbh/evolution/library/11/2/quicktime/e_s_6.html
Part III
http://wps.prenhall.com/esm_freeman_biosci_1/7/1952/499858.cw/index.html
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