The Radiation of the First Animals
http://www.accessexcellence.org/bioforum/bf02/lipps/

Jere Lipps, University of California, Berkeley


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This slide show and accompanying narrative about radiation and diversity in Precambrian and early Paleozoic organisms depicts several different fossil types, including medusoid-like, frond-like, trace fossils and other unusual types. The presenter via the photographs takes us to several collecting sites, some of which are rather remote. The presenter cannot explain radiation although some theories are offered.

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DLESE
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Subject: Biology
Grade Level: Graduate/Professional, College Upper (15-16), High School (9-12), College Lower (13-14)
Topics: Biosphere