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Date: 2016-03-26 10:24:08Fossil Paleozoology Biology Evolutionary biology Trace fossil Cambrian explosion | FOSSILS AND WHAT THEY TELL US Fossils are the remains of ancient animals and plants (or their tracks and traces) that have been preserved in stone. Typically, only the hard parts like bones and shells are all that now reAdd to Reading ListSource URL: bcgs.infoDownload Document from Source WebsiteFile Size: 37,61 KBShare Document on Facebook |