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5 Written questions

5 Matching questions

  1. fossils
  2. era
  3. eon
  4. mold
  5. Fauna
  1. a the impressions of soft-bodied animals are left after the animals are covered by sediment
  2. b the largest division of time in the Geologic Time Scale EX: Phanerozoic
  3. c the animals of a given region or period
  4. d the second largest division of time in the Geologic Time Scale. EX: Mesozoic
  5. e the preserved remains or impressions of organisms from Earth's geological past.

5 Multiple choice questions

  1. the formation of new rock layers on top of older ones. It allows us to determine the relative age of rocks and fossils
  2. tracks, trails, burrows, boring, nests
  3. They can reveal details about the events that have occurred since its formation
  4. the numeric age of a layer of rocks or fossils. It can be determined by using radiometric dating
  5. fossils changed structurally or chemically; minerals may seep into the pores or cavities of an organism's bones, teeth, and shells

5 True/False questions

  1. geologic time scalethe age of a rock layer, or the fossils it contains, compared to other layers


  2. radiometric datinga method used to determine the absolute age of a rock by sing the rock's chemistry


  3. mummificationfossilized in tar, or by freezing; provides nearly complete body fossils with flesh, hair, and internal organs


  4. castsand or other minerals fill the cavity-shaped mold and then harden over time, a replica of the original organism forms


  5. periodthe largest division of time in the Geologic Time Scale EX: Phanerozoic


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