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5 Written questions

5 Multiple choice questions

  1. Change of organisms over geologic time
  2. A group of organisms that can only reproduce with it's own kind.
  3. era of ancient life, which began about 544 million years ago when organisms developed hard parts and ended with mass extinctions about 245 million years ago
  4. Large ancient land mass that was composed of all the continents
  5. The longest part of earths history, lasting from 4 billion to about 544 million years ago.

5 True/False questions

  1. PeriodThird longest divison of geologic time-subdivided into epochs and is characterized by the types of life that existed worldwide


  2. Mesozoic eraan era of recent life that began about 65 million years ago and continues today,includes the first appearance of Homo Sapiens about 400,000 years ago.


  3. EonsSecond longest division of geologic time based on major worldwide changes in types of fossils


  4. Geologic time scalesThis division of Earth's history into time units based on life forms that lived only during certain periods.


  5. Epochlongest subdivision of geologic time scale that is based on the abundance of certain types of fossils and is subdivided into eras, periods, and epochs


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