NAME: ________________________

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5 Written Questions

5 Matching Questions

  1. cast
  2. era
  3. radiometric dating
  4. period
  5. geologic time scale
  1. a a method used to determine the absolute age of a rock by sing the rock's chemistry
  2. b a vertical timeline representing events in Earth's history. It is divided into blocks of time that represent great changes in Earth's biodiversity
  3. c the third largest division of time in the Geologic Time Scale EX: Cretaceous
  4. d sand or other minerals fill the cavity-shaped mold and then harden over time, a replica of the original organism forms
  5. e the second largest division of time in the Geologic Time Scale. EX: Mesozoic

5 Multiple Choice Questions

  1. fossilized feces; provides important information about the diet and size of the animal that produced them
  2. the formation of new rock layers on top of older ones. It allows us to determine the relative age of rocks and fossils
  3. fossilized in tar, or by freezing; provides nearly complete body fossils with flesh, hair, and internal organs
  4. parts of organisms that remain intact after the soft organic materials have decomposed. EX: teeth, shells, skulls, skeletons
  5. tracks, trails, burrows, boring, nests

5 True/False Questions

  1. unaltered remainsfossils changed structurally or chemically; minerals may seep into the pores or cavities of an organism's bones, teeth, and shells

          

  2. fossilsthe impressions of soft-bodied animals are left after the animals are covered by sediment

          

  3. fossil recordsall of the fossils that have existed throughout Earth's history, wether they are in the ground or are in a museum

          

  4. absolute agethe age of a rock layer, or the fossils it contains, compared to other layers

          

  5. altered remainsfossils changed structurally or chemically; minerals may seep into the pores or cavities of an organism's bones, teeth, and shells

          

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