Relacionar Columnas Fossil Record Info ProductVersión en línea Memory Game por Dominique Peterson 1 2 3 4 5 Extinction 6 7 8 9 10 Fossil Record The imprinting of fossils in rocks. Fossilized imprint a scientist who specializes in the study of life forms that existed in previous geologic periods, as represented by their fossils The fact or process of a species, family, or other group of animals or plants becoming extinct. When an animal dies and its body decays, it can leave an imprint in the sediment. If this imprint fills in with minerals from sediment and groundwater, it can harden to form a fossil. The same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in the past and apply everywhere in the universe. The science of determining the relative order of past events, without necessarily determining their absolute age. A method of dating geological or archeological specimens by determining the relative proportions of particular radioactive isotopes present in a sample. The process of determining an age on a specified chronology in archaeology and geology. formed from pre-existing rocks or pieces of once-living organisms.
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