trace - fossils that show evidence of activity, mold - a type of fossil clearly showing the outside features of an organism, cast - a type of fossil formed by hardened sediments within a mold, preserve - to maintain something in its original or existing state, decay - the process or result of being slowly destroyed by natural processes , amber - hardened tree sap, yellow to brown in color, often a source of insect fossils, petrified - a description of plants and animals that have been preserved by being "turned to stone", extinct - no longer in existence , sediment - deposited rock particles and other materials that settle in a liquid, remains - the parts left over after other parts have been removed, used, or destroyed, organism - an individual animal or plant that is living or was once living, fossilization - a rare event where remains or evidence of organisms are hardened or preserved, paleontologist - a scientist who studies the form of life that existed in former geological periods, mainly by studying fossils, imprint - a fossil created by a print or an impression, fossil - any evidence of the preserved remains, or traces of remains, of ancient organisms ,

Fossils & Natural Resources

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