fossils that show evidence of an animal's activity, paleontologist, trace, track, extinct, A cavity in the ground where an animal or plant was buried, paleontologist, amber, cast, mold, Sediment fills a mold, cast, index fossil, frozen fossil, mold, hardened tree sap, yellow to brown in color, often a source of insect fossils, petrification, trace, mold, amber, An organism’s tissue is replaced by minerals, paleontologist, fossil, petrification, fossil in tar, no longer in existence , index fossil, extinct, mummification, fossil, a rare event where remains or evidence of organisms are hardened or preserved, index fossil, fossil in tar, extinct, fossilization, a scientist who studies the form of life that existed in former geological periods, mainly by studying fossils, cast, paleontologist, burrow, index fossil, any evidence of the preserved remains, or traces of remains, of ancient organisms , index fossil, extinct, burrow, fossil, preserved feces (poop), paleontologist, coprolite, mold, trace, Evidence of an organism that lived a short, well-defined timespan, paleontologist, burrow, fossil, index fossil, an organism dries out, paleontologist, mummification, amber, coprolite, an organism is frozen in ice, trace, index fossil, frozen fossil, petrification, An organism is preserved in a tar pit, fossil in tar, frozen fossil, coprolite, amber, shelters left by animals as they dig underground, burrow, amber, paleontologist, fossil in tar, evidence of an animal’s activity such as footprints, frozen fossil, mummification, track, index fossil.

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