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fossils7066A

fossils facts

QuestionAnswer
Fossils remains, imprints or traces of animals that died many years ago
Permineralized remains fossils that are filled with minerals from groundwater
Carbon film thin film of carbon residue preserved as a fossil
Mold type of body fossil that forms when organisms are buried, decays and leaves a cavity in the rock
Cast a type of fossil that forms when crystals and sediments fill a mold and hardens into rock
Index fossils remains of species that lived for a short time, they were abundant and widespread and used to assign ages of rock layers
Principle of Superposition states that oldest rocks are on the bottom and get younger toward the top
Created by: Class 706 6A
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