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Ch 10

QuestionAnswer
Fossil are the preserved remains or evidence of ancient living things.
Catastrophism is the idea that conditions and organisms on Earth change in quick, violent events.
Uniformitarianism states that geologic processes that occur today are similar to chose that have occurred in the prest. Accarding to this view,
Carbón film is the fossilized carbon outline of an organism or part of an organism,
Mold is the impression in a rock left by at ancient organism.
Cast a fossil copy of an organism made when a mold of the organism is filled with sediment or mineral deposits.
Trace fossil is the preserved evidence of the activity of an organism.
Paleontologist Paleoncologists use the principle of unforme taramasm to Team about Tanicent. orzanisins and the emirunments where ancient organ ved.
Superposition is the principle that in undisturbed rocks, the oldest rocks are on the bottom
inclusion a piece of an older rock is called a
Unconformity is a surface where rock has eroded away, producing a break, or gap, in the rock record.
correlation geologists fill in gaps in the rock record by matching rock layers or fossils from separate locations is called
index fossils represent species that existed on earth for a short length of time, were abundant, and inhabied many locations
absolute age to mean the numerical age in years, of a rock or object.
isotopes are atoms of the same elemens that have different numbers of neutrons.
radioactive decay is the process by which an unstable element naturally changes into another element that is stable.
inclusion is the time required for half of the parent isotopes to decay into daughter isotopes.
half-life rganism made when a mold of the organism is filled with sediment or mineral deposits.
Created by: cabrecam
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