Abbreviated History (1600's-Today) Natural Selection, How It Operates The Study of Change Over Time	Patricia Kelley, Evolutionary Trends Within Bivalve Prey of Chesapeake Group Naticid Gastropods:                      Data | Tutorial | Field trip | Publication Charlotte Mehrtens, Evolution of Prasopora Bryozoa:                                Data | Tutorial | Field trip | Publication
Examining The Gradual Evolutionary Change of Fossilized Mollusks Assemblages, Chesapeake Bay, MD Examining the Punctuated Evolutionary Change of Fossilized Bryozoan Communities , Trenton Falls, NY (Coming Soon!)	What is a Fossil? How Geologists Tell Time The Evolving Planet Evolution in the News Classroom Activities